BSEN EI 180 building glass

Building glass--Double-layer fire resistant glass, with the followed specification:

• Double layer fire resistant glass has the characteristics of heat-insulation, passing the British standard BS476.
• It is type EI fire resistant glass, which is highly transparent as well as fire-resistant and heat-insulating.
• Its thickness: including 18mm, 26mm, 42mm and so on;
• The fire insulation time is including 30minutes, 60minutes, 90minutes......