Calcium hydroxide

Product ID

TH-1

TH-2

TH-4

TH-5

TH-6

TH-7

Calcium hydroxide (calculated as Ca (OH) 2) (calculated on dry basis),% ≥

96.0

95.0

95.0

90.0

98.0

97.0

（Calcium Carbonate）  %        ≤

2.0

Pass the test

Pass the test

/

/

/

Magnesium and alkali metal content,%            ≤

2.0

2.0

0.5

/

0.005

/

Hydrochloric acid insoluble content,%             ≤

0.03

0.05

0.2

/

0.2

/

Arsenic (As) content,%                  ≤

0.0002

0.0003

0.0003

/

/

/

Fluoride content,%                    ≤

0.005

0.005

0.05

/

/

/

Lead content (Pb),%                  ≤

0.0001

0.0002

0.0002

/

/

/

Heavy metal (as Pb) content,%            ≤

0.002

0.002

0.002

/

/

/

Moisture,%                         ≤

0.70

1.00

1.00

1.5

0.50

/

Screen residue (over 325 mesh),%             ≤

0.4

0.4

0.01（120）

0.10（120）

0.01

Iron (as Fe) content,%            ≤

0.02

/

0.03

/

0.003

/

Barium content,%                      ≤

0.03

/

/

/

/

/

ulfate content (as SO4) content,%      ≤

0.12

/

0.50

/

0.01

/

Whiteness, degree                    ≥

/

/

90.0

90.0

90.0

92.0

Impurities,%                         ≤

/

/

/

3.0

/

6 / 10g black dots