How is the thickness of laminated glass adhesive classified?
Many customers only focus on the thickness of the original glass sheet when purchasing laminated glass, but ignore the core adhesive layer thickness, which is the key cause of potential safety hazards, foaming and degumming of most non-standard products. As a professional glass factory with years of in-depth experience in safety glass production and processing, we will popularize professional knowledge about the adhesive layer thickness of laminated glass from three dimensions of production standards, thickness classification and scenario adaptation, helping customers avoid pitfalls and select materials scientifically.
At present, compliant laminated glass in China strictly complies with the GB 15763.3 safety glass standard and JGJ113 building glass application specification. The thickness of mainstream PVB and SGP core films takes 0.38mm as the basic unit, and all national standard thicknesses are integer multiples of this value. There are no non-standard and unconventional thicknesses such as 0.5mm and 0.6mm, which is the production bottom line of formalglass factoryies.
1. Four National Standard Adhesive Layer Thicknesses (Mass Production Specifications of Factories)
0.38mm film: It is a basic thin adhesive layer with excellent light transmittance, suitable for small-size and low-load-bearing scenarios. It is mostly used for interior decorative glass, small fixed partitions and small household viewing glass. Matched with thin original sheets of 5mm and below, it features high cost performance, meets basic protection and sound insulation requirements, and is a common specification for niche home decoration scenarios.
0.76mm film: It is a popular mainstream specification in the market and the preferred thickness for home decoration promoted by glass factoryies. It is applicable to conventional balcony sealing, interior railings and small glass panels of ordinary sunrooms. Matched with conventional laminated glass configurations of 5+5 and 6+6, it has stable impact resistance and shatterproof performance. It can firmly bond glass fragments after breakage, balancing safety, sound insulation and cost performance, and is suitable for most conventional home decoration scenarios.
1.14mm film: A thickened safety adhesive layer with greatly upgraded protection level. It is suitable for open-air and high-wind-pressure scenarios such as outdoor canopies, high-rise exterior wall glass and large-size balcony glass. It can be matched with laminated glass combined with thick original sheets of 8mm and 10mm, effectively resisting strong wind and external impact, eliminating the risk of glass falling off, and significantly improving sound insulation and heat insulation effects.
1.52mm film: A top-grade national standard adhesive layer and an engineering-grade thickened specification. It is mostly applied in harsh scenarios such as curved glass, large-area daylighting roofs, walkway glass and curtain wall projects. It boasts high structural strength and strong tear resistance, applicable to large-size laminated glass. It is not prone to aging, foaming and degumming in long-term outdoor use, with a service life far longer than conventional specifications.
2. Core Material Selection Principles of Glass Factoryies
A thicker adhesive layer does not always mean better quality. The thickness shall be matched according to glass size, application scenario and installation position. Excessive thickening is unnecessary for small-size interior glass to avoid resource waste; thickened adhesive layers must be adopted for large-size, high-rise and outdoor glass to eliminate potential safety hazards. Meanwhile, formalglass factoryies adopt dry lamination technology with authentic national standard films. Different from low-quality non-standard EVA adhesive layers of small manufacturers, the finished products feature high transparency, high bonding strength and superior weather resistance.
In conclusion, the adhesive layer thickness of laminated glass has clear national standard specifications. Standardized material selection by professional manufacturers is the core guarantee for safe and durable glass products. Priority shall be given to national standard mass-produced specifications from formalglass factoryies instead of non-standard thickness products to ensure both quality and safety.
