Shijiazhuang Standard Imp&exp Co.,Ltd.
Soft water and hard water
There are soft and hard waters. In the process of water treatment, there is a big difference between the treatment of soft water and the treatment of hard water. An important indicator for...
Water glass chemical composition
We often hear or see information about water glass. What is water glass? What is its chemical composition? Water glass is a soluble alkali metal silicate material combining alkali metal oxide and...
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