It sells well both at home and abroad with high quality and reasonable price. Specification

Test Item	Result
Assay	74%
Insolubles and ammonium hydroxide sediments	≤0.03 %
Free base ( As Ca(OH)2 )	≤0.04 %
Nitrate ( NO3 )	Qualified
Sulfate ( SO4 )	≤0.020 %
Phosphate ( PO4 )	≤0.003 %
Iiron ( Fe )	≤0.002 %
Heavy metal ( As Po )	≤0.002 %
Zinc Zn	≤0.01 %
Arsenic ( As )	≤0.0003 %
Barium ( Ba )	Qualified
Magnesium and alkali metal ( As Sulfate )	≤ 0.3 %

 Usage

It is used as the drying agent of various materials. In addition, it also used as dust preventive,

soil amendment, frozen agent, dehydrating agent, oar agent and applicability. Moreover it is still

used in chemical reagent, pharmaceutical raw materials, food additives, feed additive and

manufacturing metal calcium materials.