PLASTIC GRADE TALC POWDER

Technical specification Special grade ProductsFirst grade ProductsUp to standard
Whiteness     ％≥ 95 90 88
SiO2             ％≥ 61 58 55
MgO        ％≥ 31 30 30
CaO        ％≤ 0.45 1.00 1.50
Fe2O3           ％≤ 0.30 0.40 0.50
Al2O3         ％≤ 0.20 0.30 0.30
L.O.I.     ％≤ 6.00 8.00 10.00
Volume density         (g/cm3) Loose density 0.45 0.55 0.65
Tight density 0.90 0.95 1.00
Moisture    ％≤ 0.5 0.5 1.00
Passing through (45µm)    ％≥ 98-99.8 99.5 98.5