Laminated glass, as a type of safety glass, does not produce sharp fragments after being shattered by impact due to the bonding effect of the PVB film sandwiched between its two ordinary glass pieces. This effectively prevents the occurrence of debris stabbing and penetration falling incidents, ensuring personal safety.
In the field of building doors and windows, laminated glass not only provides safety, but also has three major advantages:
Excellent sound insulation performance
The middle layer material of laminated glass in general buildings adopts PVB interlayer, and PVB film has the damping function of filtering sound waves (reducing the vibration amplitude of sound to alleviate volume transmission). Therefore, if living in an area with severe road noise, choosing a laminated glass with a PVB film thickness of 1.14 mm is the right choice.
Natural UV protection ability
The PVB interlayer also has the function of filtering ultraviolet rays. Data shows that PVB film can absorb more than 99% of ultraviolet rays, thereby protecting indoor furniture, plastic products, textiles, carpets, artworks, and preventing fading and aging caused by ultraviolet radiation.
Good energy-saving performance
Because laminated glass made of PVB film can effectively reduce sunlight transmission, the darker the color and the lower the transmittance of laminated glass, the stronger its ability to block heat. Therefore, if there is sufficient light at home, it is advisable to choose laminated glass with a medium transmittance (50% to 70%).
Since the implementation of safety glass product certification in 2003, most of the construction laminated glass production enterprises in China have passed product certification. Enterprises must screen print or paste the 3C mark on the product body they sell, or add the 3C mark on its small outer packaging and accompanying documents (such as certificates of conformity). When selecting a product, the first thing to check is whether there is a 3C mark, and based on the company information, factory number, or product certification certificate, check whether the purchased product is within the scope of the company's mandatory certification and whether the certification certificate is valid through the internet.