high purity calcium carbonate electronic grade calcium carbonate Optical glass grade calcium carbonate
We supply high purity Calcium Carbonate at competitive price.
Our calcium carbonate contains lowmetal impurities .It is being used in high quality optical glass industry.
Purity : ≥99.0% ;
Clarity of solutions : complies ;
Chloride (Cl) : ≤0.01%;
Sulfate(SO4) : ≤0.01% ;
Insoluble matter in HCL : ≤0.01%;
Fe:≤0.001%
Heavy metals(as Pb) :≤0.001%
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