一本大道香蕉久中文在线播放,国产成a人片在线观看视频,成人午夜黄网站在线观看,亚洲国产高清在线一区二区三区

British Standards, European Standard, Australian Standard Fire Resistant Glass, Window and Door

British standard BS476 double layer fire resistant glass

2021-05-20 896

The double layer fire resistant has fire-resistant integrity and heat-insulating Class A(EI) fire-resistant glass, which has good fireproof and heat insulation properties, high transparency. It has longer fireproof time and higher transparency than other similar products under the same thickness, and the thickness is thinner under the same fireproof time.

double-layer fire resistant glass  technical parameter:

Previous:British standard BS476 fireproof glass window

Next:British Standards, European Standard, Australian Standard Fire Resistant Glass, Window and Door

Top