4A molecularsieve is sodium A type silica aluminate. 4A molecular Sieve can absorb molecules of critical diameter less than 4A. About Molecular Sieves 4A 4A molecularsieve is sodium A type silica aluminate. The molecular Sieve can absorb molecul…
Factors affecting freight forwarder freight cost Freight transportation In international freight transport, one of the most concerning issues is the price of freight transport. The cost is di…
What is colloidal silicon dioxide?Colloidal silica is a gaseous silica prepared by hydrolysis of silica compounds. It is a kind of fine silicon that can be uniformly dispersed. It is insoluble in water. Silicon is a natural element in the periodic ta…
A new type of superplasticizer polyoxyethylene-ether macromonomer is known as concrete moisture reducer. This superplasticizer uses polyoxyethylene ether macromonomer as well as unsaturated and sulfonic acids group monomer through radical polymerizat…
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