ITEMS

REQUIREMENTS

RESULTS

Appearance

Odorless pure white substance

Odorless pure white substance

Taste

Tasteless

Tasteless

Purity

98.5% min.

98.7%

CaO

31.5~32.5%

32.4%

P2O5

41.0~42.5%

41.8%

Loss of Ignition

25.0~26.0%

25.7%

Acid Insolubles

0.1% max.

0.03

PH Value (20% aqueous solution)

7~8

7.6

Density (g/cm3)

0.6~0.9

0.8

Heavy Metals

0.003% max.

0.003% max.

Lead

0.001% max.

0.001% max.

Arsenic

0.001% max.

0.001% max.

Iron

0.005% max.

0.005% max.

Sulphate

0.05% max.

0.05% max.

Chloride

0.25% max.

0.25% max.

Fluoride

0.005% max.

0.005% max.

Medium particle size

8~12μm

11μm

Through mesh 200

99.95% min.

99.99%

Through mesh 325

99.5% min.

99.7%

TEST RESULT:

QULIFIED