欧美性派对在线播放视频_香港三级片免费看AⅤ_日韩AV色色色色热热热热_亚洲综合男人的天堂

Standard compliance: GB/T 4209-2008"IndustrialSodium Silicate", Enterprise Standard Q-PG/ll-02-06-J"Industrial Sodium Silicate".

Properties: Its solution is alkaline. If add strong acids, weak acids and even electrolytes, it will hydrolyze and precipitate silica when it is heated or at room temperature.

Packaging and storage: It is packaged with clean iron drum, plastic drum or tank truck and sealed. Avoid damage of package during transportation.