talc powder
Our plant can produce all kinds of talc powder, such as plastics grade, paint grade, papermaking grade, ceramics grade, rubber grade and etc.
we have 5R Raymond mill, model SM-110 vertical pulverizer. and fluidized bed jet-mill.
the specification as following:
Paint Grade talc powder
Use for: Latex paint,Polyester paint,Varnish,Auto putty,Street indicating paint,Shipping paint,Building paint,Industry paint,Antisepsis paint,Pigment paint
Technical specification | P-1 | P-2 | P-3 | P-4 | P-5 | P-6 | P-7 | P-8 | P-9 | 9-10 |
SiO2 %≥ | 61 | 60 | 59 | 58 | 57 | 36 | 35 | 35 | 30 | 25 |
MgO%≥ | 31 | 31 | 31 | 30 | 30 | 31 | 28 | 28 | 28 | 28 |
CaO %≤ | 0.45 | 0.45 | 0.45 | 0.80 | 0.80 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
Fe2O3 %≤ | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
Al2O3 %≤ | 0.20 | 0.20 | 0.20 | 0.50 | 0.50 | 0.50 | 6-8 | 8-10 | 8-10 | 8-10 |
L.O.I. %≤ | 7.00 | 7.00 | 7.00 | 8.00 | 9.00 | 25.00 | 14.00 | 14.00 | 14.00 | 40.00 |
Oil-absorbed g/100g | 50-55 | 30-38 | 28-35 | 40-50 | 20-25 | 20-25 | 20-25 | 40-50 | ≥50 | ≤25 |
D98 | 10µm | 22µm | 38µm | 15µm | 63µm | 45µm | 30µm | 10µm | 63µm | 38µm |
Papermaking Grade Talc Powder
Technical specification | Frist Grade | Second Grade | Third Grade | standard |
Whiteness %≥ | 93 | 90 | 88 | 86 |
Dust, mm2/g ≤ | 0.4 | 0.6 | 0.8 | 1.0 |
CaCO3 %≤ | 1.00 | 1.50 | 2.00 | 3.00 |
Acid iron melted(taking Fe2O3) ≤ | 0.2 | 0.3 | 0.4 | 0.5 |
PH value | 7-8.5 | 8.5-9.5 | ||
Moisture %≤ | 0.5 | 0.5 | 0.5 | 0.5 |
L.O.I.(800°C) %≤ | 6.00 | 9.00 | 13.00 | 25.00 |
Wear and tear(cooper net) mg %≤ | 80.0 | 100.0 | --- | |
Oil-absorbed | 20.0—50.0 | |||
Passing through(45µm) %≥ | 98 |
talc powder