China foshan nanhai ruixin glass co., ltd Company News

Since the interlayer film in laminated glass seems soft, how on earth can it stop a high-speed bullet? Layer Structure of Bulletproof Glass Bulletproof glass is essentially a special type of laminated glass. There is no fixed number of layers (commonly ranging from three to multiple layers), but functionally it can be divided into three core layers: Load-bearing layer (strike face): Usually made of thick, high-strength glass (such as chemically tempered glass or high-alumina glass). Its role is to withstand the impact first, consume the bullet's kinetic energy through fracturing, and attempt to deform or blunt the bullet, reducing its penetrating power. Transition layer (intermediate layer): Generally uses organic adhesive materials (such as PVB, PU, SGP film, or polycarbonate sheets). This layer has strong adhesion and is responsible for absorbing most of the bullet's remaining impact energy, altering the bullet's direction of travel, and preventing it from penetrating further. Safety protection layer (back face): Mostly uses high-strength glass or high-toughness transparent organic materials (such as polycarbonate PC sheets). It uses its own elasticity and toughness to absorb the final impact energy, ensuring the bullet cannot penetrate, while also bonding flying fragments to prevent secondary injury. Why Laminated Glass Can Stop Bullets The reason laminated glass can stop bullets lies in the physical properties of the interlayer film (such as PVB film) and the synergistic effect of the multi-layer structure: Bonding and containment: The interlayer film has extremely strong adhesion. When the glass shatters upon impact, the fragments are firmly bonded to the film and will not fly around, maintaining the integrity of the entire glass panel and preventing penetration and fragment injuries. Kinetic energy absorption: High-quality film (such as SGP or thick PVB) has high tear strength and toughness. When a bullet hits, the film layer absorbs the bullet's kinetic energy through its own stretching and deformation, acting as a buffer and preventing the bullet from advancing further. Multi-layer retardation: Bulletproofing is not achieved by a single film alone. When the bullet penetrates the outer hard glass, its energy is already consumed and it becomes deformed; upon entering the film layer, it is adhered to and retarded; finally, it is stopped by the inner high-toughness material. This "hard-soft-tough" combination achieves the bulletproof effect.    

Minimalist Art Glass Is Now the Mainstream for Background Walls—Are You Still Hesitating? As minimalist art glass quietly becomes the mainstream choice for modern interior background wall decoration, many homeowners and designers are still watching from the sidelines: is it really reliable? As a glass factory with years of industry experience, today we'll talk about what art glass is really like from the production source, and help clear up your concerns.   1. What Exactly Is Art Glass? Art glass is a decorative glass made from ordinary glass as the base material, processed through techniques such as frosting, engraving, color glazing, wire embedding, and hot melting. It retains the transparent and lightweight physical properties of glass while endowing the surface with rich textures and light-and-shadow layers through craftsmanship. On the production line of a glass factory, every piece of art glass must go through multiple processes including raw sheet selection, craft processing, tempering treatment, and finished product inspection—it's not simply "printing a pattern" before leaving the factory.   2. Why Has It Become the Mainstream for Background Walls? First, minimalist yet not monotonous. Techniques such as frosting, fluted glass, and wire embedding can form delicate texture variations while maintaining the transparent feel of the space, matching the aesthetic needs of modern minimalist style. Second, strong light-and-shadow expression. The refraction and diffuse reflection of light by art glass allow the background wall to present different layers depending on the lighting angle—something paint and wallpaper cannot replace. Third, easy to clean and good weather resistance. High-quality art glass has high strength after tempering treatment, and its dense surface is not prone to absorbing stains—daily wiping is enough for maintenance. Fourth, high degree of customization. A legitimate glass factory can customize according to size, texture, and light transmittance requirements, adapting to different floor plans and design styles.     3. Factory Perspective: What to Look for When Buying Check the tempering mark: Art glass used for background walls must be tempered—look for the 3C certification mark; Check craft details: Whether the frosting is uniform, whether the wire embedding is flat, and whether the edges are refined directly reflects the processing level of the glass factory; Check light transmittance needs: If there is a light source behind the background wall, the light transmittance parameters need to be communicated with the manufacturer in advance; Check installation support: Art glass requires professional installation—confirm when purchasing whether the manufacturer provides size verification and installation guidance.   Conclusion Minimalist art glass has become the mainstream for background walls not because of gimmicks, but because of the dual support of craftsmanship and practicality. Choosing a glass factory with excellent craftsmanship is the key step to making good use of art glass. Are you still hesitating about whether to use it? Why not start by inspecting the manufacturer.

How to Choose Specs for Insulating Glass Doors and Windows? What Are the Hard Requirements for Curtain Wall Glass? In our years of making door and window glass, the two questions customers ask most are: "What specs are available for insulating glass doors and windows?" and "Can any glass be used for curtain walls?" As a glass factory, we'd say: the selection logic for these two is completely different—one depends on household needs, the other on the baseline set by codes.   Insulating Glass Doors and Windows: Specs Follow "Thickness + Gas Layer + Thickness" Insulating glass is commonly written as "5+9A+5," "5+12A+5," or "6+12A+6," representing the thickness of the two glass panes and the air layer between them. For residential doors and windows, 5+12A+5 and 6+12A+6 are the mainstream choices, balancing thermal insulation and cost-effectiveness. The air layer isn't better the thicker it is—beyond a certain thickness, the gas inside creates convection, and insulation performance actually drops. Glass factory reminder: for mid- and high-rise doors and windows, tempered insulating glass is recommended; when a single pane exceeds 2㎡, 5mm is no longer enough and you need to upgrade to 6mm or thicker. If low-frequency noise from the street is severe, simply thickening the insulating glass has limited effect—laminated insulating glass is the right solution.   Curtain Wall Glass: Safety Is the Bottom Line, and Codes Are Strict Curtain walls are not on the same level as ordinary doors and windows. Codes explicitly require safety glass for curtain walls, with thickness no less than 6mm, and rib glass for full-glass curtain walls no less than 12mm. When insulating glass is used for curtain walls, the gas layer thickness should be no less than 12mm, individual glass thickness should not be less than 6mm, and the thickness difference between the two panes should not exceed 3mm. In addition, curtain wall door and window glass must have edge treatment, and tempered glass surfaces must be free of damage. When a glass factory schedules production of curtain wall insulating glass, dual sealing is standard, and hidden-frame curtain walls also require silicone structural sealant—completely different from the weather-resistant sealant used for ordinary doors and windows.   In one sentence: when choosing insulating glass for door and window glass, look at the usage scenario; when choosing door and window glass for curtain walls, look at the code red lines. The glass factory gets the parameters right so you can use them safely.  

What Types of Glass Are Used for Doors and Windows? What Are the Common Types of Glass? As an experienced glass factory, we often receive inquiries: what types of glass are available for doors and windows? This question sounds simple, yet it directly affects heat insulation, sound insulation, safety and service life. Poor selection will lead to high replacement costs and poor living experience. Today, based on our practical production experience in the factory, we sort out common glass categories to help you avoid pitfalls during selection.   1. Clear Float Glass It is the most basic type, also known as clear glass. It features good light transmittance and affordable price, but its strength is relatively low. It will form sharp fragments once broken, suitable for scenarios with low safety requirements. Meanwhile, it serves as the base material for deep processing, and many processes start with this substrate.   2. Tempered Glass Tempered through high-temperature heating and rapid cooling, it is several times stronger than ordinary glass. It breaks into small granular pieces that cause less injury, making it the mainstream option for doors, windows and shower rooms. It is also the most mass-produced product in our glass factory. Note that cutting and drilling must be finished before tempering.   3. Insulated Glass It consists of two glass panes with an air cavity in between, delivering excellent sound and heat insulation performance. Argon gas can be filled into the cavity to further reduce heat transfer. It is the top choice for energy-saving doors and windows, ideal for families troubled by noise or large seasonal temperature differences. It is worth prioritizing if budget permits.   4. Laminated Glass A PVB film is sandwiched between two panes. Even when shattered, fragments stick firmly to the film and will not fall off easily, offering high safety. It is widely applied in floor-to-ceiling windows, sunroom roofs and railings.   5. Low-E Glass Coated with a low-emissivity layer on the surface, it reflects infrared rays. It blocks heat in summer and retains indoor heat in winter. It works best when combined with insulated structure. It is standard for high-end doors and windows and meets current building energy-saving trends. Though the upfront cost is higher, it brings long-term benefits.   6. Fire-resistant & Decorative Glass Fire-resistant glass resists cracking under fire, used for fire-rated doors and windows and other special areas. Hot-melt and artistic glass focus on decoration, adding unique aesthetics to doors and windows.   Closing Remarks There is no absolute good or bad for door and window glass. The suitable type depends on application scenarios and budget. Feel free to consult our factory if you have doubts. We can provide proper solutions according to your usage, and accept custom samples. Send us your sizes and application requirements for quotation.    

How to Remove Silicone Sealant from Glass: A Practical Guide from a Glass Factory When a renovation is nearing completion, silicone sealant marks are often left on glass. As a glass factory that works with glass every day, we have seen far too many cases where improper cleaning caused scratches, cloudiness, or damaged coatings. In fact, removing silicone sealant from glass is not difficult. The key is to "check the sealant, check the glass, and check the method." 1. First, Identify the Type of Sealant Common silicone sealants fall into two categories: acidic silicone and neutral silicone. Acidic sealant becomes hard after curing and has strong adhesion. Neutral sealant is more elastic and offers better weather resistance. There is also water-based acrylic sealant, which can be wiped off with water before it dries. Our glass factory recommends: if the sealant has not fully cured, gently lift the edge with a utility blade, then peel it off. Do not push it with your fingers, or it will spread thinner and stick more firmly. 2. Physical Removal Methods For cured sealant, use a single-edge blade or a dedicated plastic scraper, keeping it at about a 30° angle to the glass surface, pushing from the edge toward the center. Make sure the blade is brand new, rust-free, and nick-free; otherwise, it will leave scratches. For tempered glass and coated glass, plastic scrapers or bamboo strips are even more recommended to avoid metal contact. Before leaving the factory, our glass factory often uses a heat gun or hair dryer to soften residual sealant before scraping, which is more efficient. 3. Chemical Removal Methods Silicone sealant can be removed with alcohol, acetone, banana oil, or a dedicated sealant remover. Method: first test on an inconspicuous area to confirm it will not damage the coating or enamel. Dip a cotton swab in the solvent, apply it to the sealant, let it sit for 1–2 minutes, then wipe it away once the sealant swells. Our glass factory reminds you: acetone has strong dissolving power but is flammable and irritating, so use it with ventilation; alcohol is milder and suitable for home use. If the sealant bead is thick, shave it thin with a blade first, then apply the solvent. 4. Precautions for Different Types of Glass Ordinary clear glass is resistant to acids and alkalis, so there is more room for cleaning. Tempered glass is sensitive to localized high temperatures, so do not use open flame. Coated glass and Low-E glass are sensitive to friction and strong solvents, so only neutral cleaners and soft cloths should be used. Laminated glass edges are sensitive to water, so solvents should not flow freely. Our glass factory establishes cleaning specifications for different coating layers during deep processing, and home users should also "treat each material according to its nature." 5. Prevention Is More Important Than Removal Before applying sealant, tape masking paper along the edge of the glass. After the sealant cures, peel it off to reduce residue. If sealant has already gotten on the glass, the sooner it is treated, the easier it is. Our glass factory sums it up: physical first, then chemical; mild first, then strong; edges first, then center. These are the general principles for safely removing silicone sealant from glass. Master these methods, and you too can restore your glass to a clear, clean finish, just like the craftsmen at a glass factory.    

How to Choose Art Glass Doors? What Are Practical Selection Tips and Pitfall Avoidance Points? As a glass factory, we take custom orders for all types of art glass throughout the year. Having witnessed many customers falling into pitfalls, today we share practical know-how for selecting art glass doors from the production source perspective, helping you pick products with both attractive appearance and durability. When choosing art glass doors, start by defining your usage scenario. Kitchens and bathrooms are high-humidity areas, so art glass with tempered substrate is preferred. Tempered glass boasts stronger impact resistance. Even if shattered, it breaks into granular fragments to reduce injury risks. For art glass doors used as living room partitions or entryway decorations, you may select patterns based on lighting demands. Fluted, patterned and fused styles each have unique features. Frosted art glass is a popular option if you want privacy without blocking natural light. Pay close attention to craftsmanship, which is often overlooked by buyers. The manufacturing techniques adopted by a glass factory directly determine the service life of finished products. Painting, etching and laminating are common processes for art glass. Laminated glass delivers the best stability. A film is sandwiched between two glass panels, so patterns hardly peel off. It is moisture and sunlight resistant for long-term use. Painted glass offers rich colors, yet you need to confirm whether the paint has undergone high-temperature curing. Low-grade paint will peel and fade under prolonged damp conditions. Always request samples before ordering to check pattern clarity and inspect the glass surface for bubbles, scratches or impurities.   Size and installation details should never be neglected. Most art glass is custom-made, and dimensional errors will directly affect door operation. A reputable glass factory will recheck measurements on-site and reserve expansion gaps according to door frame structures. Confirm glass thickness during customization. 8mm or thicker tempered glass is recommended for standard indoor art glass doors; thinner glass tends to shake and deform. Laminated technology is suggested for large door panels to upgrade safety performance. Now for key points to avoid pitfalls. Do not simply chase low prices. Art glass made in small workshops may just be ordinary glass with simple printing without tempering, bringing major safety hazards. Clarify after-sales terms, pattern warranty period and lead time for replacement glass pieces. Inspect goods immediately upon delivery and check whether edge grinding is smooth. Premium glass factory products adopt fine edge grinding to prevent cuts. Also confirm packaging standards. Custom art glass is vulnerable to damage during transit, and wooden crate packaging is a basic requirement. A well-selected art glass door acts as a highlight in your space. Choose a reliable glass factory, distinguish substrates and craftsmanship of art glass, and balance safety, lighting and aesthetics. This helps you avoid rework and preserve the beautiful look for years.  

What Are the Installation Steps of Door and Window Glass? In door and window engineering construction, the installation of door and window glass is a key process that determines the tightness, stability, sound insulation and heat insulation performance of glass doors and windows. The standardization of installation technology directly affects the overall service life and use experience of doors and windows. Most rework problems in home decoration and engineering projects, such as glass water seepage, fogging, loosening and abnormal noise, are mostly caused by non-standard installation procedures. As a professional glass factory deeply engaged in the industry, we popularize the standardized complete installation steps of door and window glass based on source process standards, helping all builders avoid various installation hidden dangers. 1. Pre-installation Preparation: Material Selection and Base Cleaning Pre-installation preparation is the fundamental guarantee of construction quality. Firstly, select qualified door and window glass with matching size and thickness according to the specifications and design standards of door and window profiles to avoid problems such as size deviation and unqualified materials. At the same time, thoroughly clean the dust, mortar and sundries inside the door and window frames, and check whether the door and window profiles are flat and firm without deformation and cracking. All finished glass produced by formal glass factory has undergone fine edge grinding and strict quality inspection. Before installation, it is necessary to recheck the glass appearance to ensure no scratches, chipped edges or cracks. 2. Auxiliary Material Paving: Positioning and Buffer Protection After the base cleaning is completed, lay special buffer gaskets and weather-resistant sealing strips in the clamping grooves of door and window frames, which is a key detail to ensure the stable and sealed performance of glass doors and windows. The gaskets are made of professional weather-resistant and shock-absorbing materials and arranged at uniform intervals, which can effectively isolate the glass from the metal frame and prevent glass cracking caused by thermal expansion and contraction extrusion. The sealing strips shall be closely attached without wrinkles and falling off, laying a solid foundation for subsequent waterproof sealing and solving common quality problems of door and window glass from the source. 3. Glass Positioning: Precise Alignment and Fixed Installation Steadily lift the qualified door and window glass into the frame clamping groove, and finely adjust the position manually to ensure the glass is centered with uniform gaps on all sides, avoiding offset and inclination. After accurate alignment, install and fix the pressure strips and buckling accessories. The pressure strips shall fit closely with the glass and profiles with tight splicing gaps and uniform stress, ensuring that the glass is fixed firmly without shaking or loosening, so as to stabilize the overall structure of glass doors and windows. 4. Sealing Gluing and Completion Acceptance After the glass is fixed in place, carry out refined sealing gluing construction. Adopt neutral weather-resistant sealant to apply glue evenly along the gap between glass and door and window frames. The glue line is smooth and continuous without broken points and bubbles, which can fully seal the gap and realize multiple functions of waterproof, sound insulation and heat preservation. After the sealant is completely cured, clean up redundant glue marks and on-site sundries, and conduct a comprehensive inspection of glass flatness, sealing performance and overall stability. As a professional source glass factory, we always adhere to the principle of high-quality materials matching standardized construction, so as to maximize the use performance of door and window glass and provide durable and high-quality glass doors and windows solutions for home decoration and engineering projects.  

How Do All-Glass Doors Resist Fire? How Are Fire Doors and Windows Graded? Many clients raise questions during the preliminary selection stage of engineering projects: can all-glass doors deliver fire resistance, and how to determine the fire rating of fire doors and windows. As a professional glass factory with rich experience in deep processing and engineering supporting, we share professional popular science from the manufacturer’s perspective to help designers and engineering purchasers accurately select qualified fireproof products. Can ordinary all-glass doors achieve fire resistance? Ordinary tempered glass cannot resist high-temperature flames. It will crack and fall off quickly in a fire, failing to block smoke and fire spread. To realize fireproof function for full-glass doors, the core material must be standardized fire-resistant glass. After special physical and chemical treatment, qualified fire-resistant glass can maintain complete structure within the specified fire resistance time, effectively block open fire and toxic smoke, and avoid rapid fire spread in building spaces. Fire resistance depends on complete glass doors and windows system It is worth emphasizing that qualifiedfire-resistant glass alone cannot form standard fireproof doors and windows. The fireproof performance of finished glass doors and windows is determined by the whole system including fire-resistant profiles, fireproof sealing strips, fire-rated hardware and overall assembly technology. In high-temperature fire scenarios, professional fireproof accessories can tightly seal assembly gaps to prevent smoke leakage and fire penetration. Fire rating classification standard for fire doors and windows At present, fireproof glass doors and windows are mainly graded according to two core indicators: fire integrity and thermal insulation performance. Class A products have both fire integrity and heat insulation functions, which are suitable for key fire isolation positions. Class C products only maintain fire integrity and are mostly used for public area partitions. According to fire resistance duration, the products are divided into 0.5h, 1.0h, 1.5h, 2.0h and 3.0h grades to meet different building fire protection requirements. As a professional glass factory, we strictly control every production procedure of fire-resistant glass and finished glass doors and windows. All products pass professional fire detection and performance tests to ensure stable and reliable fireproof performance. Building fire safety is crucial. Only by selecting standard fireproof materials and formal factory customized products can we effectively improve building fire protection capabilities and ensure project safety compliance.

Why Does Condensation Form on Your Door & Window Glass? Professional Popular Science from Manufacturer In autumn and winter, many homeowners find water droplets and fog on the glass of household doors and windows. Most people mistakenly think it is a quality problem of door and window glass, and even doubt the production process of glass factory. As a professional manufacturer of doors, windows and glass, we will popularize the professional knowledge about glass condensation in detail, helping users distinguish natural physical phenomena from product quality problems and eliminate common misunderstandings. 1. Core Principle of Condensation on Door and Window Glass Glass condensation is a common physical liquefaction phenomenon, not a product failure. Indoor air contains a certain amount of water vapor, and daily behaviors such as cooking, washing and mopping the floor will increase indoor air humidity. When the warm and humid indoor air contacts the surface of door and window glass with a temperature lower than the air dew point, the water vapor in the air will cool and liquefy, adhering to the glass surface to form fog and water droplets, which is the condensation phenomenon in daily life. In short, temperature difference and indoor high humidity are the two core causes of condensation. In winter, the outdoor temperature is low, which continuously reduces the surface temperature of doors and windows glass. The indoor environment is relatively sealed with high humidity, and the larger the indoor and outdoor temperature difference is, the more serious the glass condensation will be.   2. Condensation Does Not Equal Poor Product Quality Many users have a wrong cognition that the easy condensation of newly installed doors and windows is caused by inferior materials of glass factory. In fact, it is exactly the opposite. High-quality sealed doors and windows have excellent air tightness and thermal insulation performance, which can effectively isolate outdoor cold air and lock indoor heat. Traditional old-style doors and windows have poor sealing performance and frequent internal and external air convection, resulting in easy loss of indoor moisture, so condensation is not easy to occur. This is a normal performance upgrade of doors and windows, not a quality defect. The insulated glass and tempered glass produced by regular glass factory have passed strict sealing, argon filling and dehumidification processes, and no fog or water accumulation will occur inside the glass interlayer. Surface condensation is only affected by environmental factors. If fog and water appear inside the glass interlayer, it means the sealing process fails, which belongs to product quality problem, and users can contact the manufacturer for after-sales treatment. 3. Professional Solutions for Door and Window Glass Condensation Combined with the product characteristics ofdoors and windows, we summarize practical improvement methods for users. Regular window ventilation can effectively reduce indoor humidity and relieve condensation. In cold winter and rainy days, users can use dehumidifiers and fresh air systems to adjust indoor humidity and avoid long-term sealing of doors and windows to prevent moisture accumulation. For families troubled by long-term condensation, it is recommended to upgrade thedoor and window glass configuration. Customized Low-E insulated glass and triple-pane insulating glass from professional glass factory can significantly improve the thermal insulation performance of glass, reduce the temperature difference between glass surface and indoor air, and fundamentally solve the condensation problem. Matching with system doors and windows with high-quality sealing strips can further optimize the overall thermal insulation and air tightness, and completely improve the household glass condensation phenomenon.

How Thick Should Shower Room Glass Be for Safety? Many families will struggle with a core question when choosing a shower room for decoration: how thick should shower room glass be to ensure safety? The market offers glass in various thicknesses including 6mm, 8mm, 10mm and 12mm. Many merchants claim that thicker glass is safer, which is actually a misleading statement. As a professional glass factory with years of experience in bathroom glass processing, we will accurately explain the safety thickness standards for shower room glass based on national industry specifications and mass production practical experience, helping everyone avoid purchasing pitfalls. 1. National Standard: Minimum Safety Threshold for Shower Room Glass In accordance with authoritative national standards such as GB/T 36266-2018 and JG/T 456-2014, ordinary glass is prohibited for householdshower room glass. Only fully tempered glass with 3C certification is allowed, with a minimum nominal thickness of 6mm, which is a mandatory safety standard. Qualified glass factory strictly follows this standard in the mass production of shower room glass, preventing non-standard glass thinner than 6mm from entering the market and eliminating risks of self-explosion and fragmentation injuries from the source. It is worth emphasizing that 6mm is only the basic safety threshold and not suitable for all scenarios. Blindly choosing overly thin or excessively thick glass will lead to potential safety hazards. Matching the glass thickness with the application scenario is the core key to the safety of shower room glass. 2. Scenario Matching: Applicable Scope of Different Glass Thicknesses Based on the customized processing experience of glass factory, shower rooms with different structures and sizes correspond to optimal safety glass thicknesses. Accurate matching ensures both stability and durability: 6mm tempered glass: Suitable for special-shaped shower rooms such as arc and fan-shaped styles. Processed by curved tempering technology, 6mm glass features moderate toughness and is not easy to deform. It fully meets the safety usage requirements of conventional small-sized shower rooms and serves as the standard thickness for special-shaped shower rooms. 8mm tempered glass: The mainstream safety thickness for household use, compatible with most square and straight-line shower room glass. This thickness boasts strong impact resistance, able to withstand daily collisions and vibration caused by door opening and closing. It imposes moderate bearing pressure on pulleys and hinges, effectively preventing door sagging and loosening. With balanced cost performance and safety, it is the best-selling specification in factory output. 10-12mm tempered glass: Customized for oversized and heightened & widened shower rooms. For extra-large bathroom spaces with a height exceeding 2.2 meters, thickened glass is required to improve stability and prevent shaking and cracking caused by oversized glass panels, ideal for large-family and villa bathroom spaces.   3. Professional Reminder from Factory: Thickness Is Not the Only Safety Standard It is a typical purchasing misunderstanding that thicker glass means safer performance. From the professional perspective of glass factory, the safety of shower room glass depends more on process quality than merely thickness. Qualified safety glass must meet the standard thickness and undergo HST homogenization treatment to greatly reduce the self-explosion rate of tempered glass, together with fine edging and explosion-proof film coating processes. Excessively thick glass with unqualified processes will impose excessive load on hardware accessories due to its heavy weight, easily causing door falling off and glass cracking during long-term use. Therefore, when purchasing a shower room, priority should be given to products produced by formal glass factory with 3C laser certification and standardized processes. Matching the glass thickness according to actual needs is the real guarantee of safety.