Used for engraving glass, cleaning residue on the sand casting, controlled fermentation, power semiconductor wafer polishing and cleaning corrosion (with HNO3 mixed acid).

用于雕刻玻璃、清洗铸件上的残砂、控制发酵、电抛光和清洗腐蚀半导体硅片(与HNO3的混酸)。

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Shale gas is natural gas that is trapped inside shale rock and is extracted by using a technology called hydraulic fracturing, where highly pressurized water mixed with sand and chemicals is used to crack open rocks.

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The ingredients used in hydraulic fracturing include a small dose of chemicals (0.5%) mixed with water and sand (99.5%).

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