Plastics grade talc powder

SiO2%≥

55

MgO%≥

31

Fe2O3%≤

1.0

CaO%≤

1.5

Al2O3%≤

2.0

Whiteness%≥

88

LOI（1000℃）%≤

10

Moisture%≤

0.3

Passing rate (45um)%≥

98.5

Physical volume density

 (g/cm3)

Loose

0.45---0.65

Tight

0.90---1.0

Fineness: 98.5% min passing through 325mesh or negotiated by the buyer and the seller.

Packing: paper bag or knitting bag of 25Kgs net each (or negotiated by two parties)

Note: This is only reference, the concrete standard shall be decided by two parties.