Foam glass has many fine properties as follows:fire proof, water proof, heat keeping and insulation, sound absorption and so on.

前言： 泡沫玻璃具有防火、防水、 保温隔热、 吸声等良好性能。

youdao

All building materials made from expanded vermiculite is burn-resisting, heat insulation, sound proof. It is also process simple with low cost.

用膨胀蛭石制成的各类建筑材料不仅耐燃、隔热、隔音，而且生产工艺简单，成本低廉。

youdao

In the off-position, has the good leak-proof quality as well as the heat insulation sound-insulated performance.

在关闭状态，有良好的密封性以及隔热隔音性能。

youdao