Is laminated glass prone to delamination and leaks? Here are three key factors to consider when making your purchase—contact a laminated glass manufacturer in Foshan.
Release time：
Nov 14,2025
When purchasing laminated glass for doors, windows, and sunrooms, users often encounter issues such as delamination of the interlayer film, glass fragments detaching after cracking, and even water leakage—problems that pose significant safety risks.
Laminated glass quality hinges on the PVB film's grade and the bonding process—premium products use imported PVB film, ensuring bubble-free lamination under high temperature and pressure.
Key procurement controls: First, check the film labels—genuine products will have clear markings of both brand and thickness. Second, inspect the adhesion quality: under strong light, there should be no bubbles or impurities, and the edges must show no visible glue seams. Finally, test for safety—after simulating breakage, gently pull the glass away from the film; the glass and film should remain firmly bonded without separating.
Suitable scenarios: For sunrooms, choose 5+0.76PVB+5 laminated glass; for balcony railings, opt for 6+1.14PVB+6 laminated glass.
Attention: Avoid using low-priced products with inferior film materials. Ensure that a weathering resistance test report is provided, and use sealant compatible with the installation environment during setup.
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