Ca(oh)2 content（％）    

≥ 90

95

Fe≤

        ≤ 0.1

0.04

Magnesium oxide ≤

≤ 1

1

CaO content

/

               70

P≤

≤0.03

0.012

S≤

≤0.18

0.10

Whitness%

≥90

92

PH

/

12-13

Hydroixde acid insoluble %

≤ 1

0.15

Residue on Sieve analysis 45um 

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0