国产精品福利片免费看,免费靠逼网站,九九在线精品视频,99精品全国免费7观看视频 ,日韩性黄色一级,日本免费一区二区在线观看,国产中文在线,婷婷激情六月

British standard BS476 single layer fire-resistant glass

1337

The single layer fire-resistant glass has fire-resistant integrity and belongs to Class C (E) fire-resistant glass. It has the characteristics of high glass strength, good fireproof integrity, smoke resistance and weather resistance. Its strength is 6-12 times that of float glass, 1.5-3 times that of tempered glass, which can prevent indoor fire from spreading outward and outdoor fire spreading indoors.

The technical parameters of the British Standard series single fire-proof glass are as follows:

Recommended news
Recommended Products