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TALC Powders – Industrial Grades
TALC 44
This is a high quality Talc. It can be used in all industrial applications including ceramics, paints, fillers, etc.
Chemical Analysis:
SiO2 60%
MgO 32%
Fe2O3 1.2%
Al2O3 0.5%
CaO 0.2%
Physical Analysis:
Whiteness: 88 Hunter
Oil Absorption: 24
Particle Shape: Platy
pH: 8.8
Specific Gravity: 2.8
Apparent Density: 21 lb/cu. Ft (SCOTT)
Tapped Density: 49 lb/cu. Ft
Thru 325 Mesh: 99.4%
Median Particle: 5.0 micron
Packing: 50 lb bags 40 bags/wooden pallet
Origin: USA
TALC 523
This is a lower priced Talc useful for all applications where whiteness and lot to lot uniformity is critical. The Talc is classified as asicular with a number of particles showing aspect ratio in excess of 5 to 1. There are column particles and are not artificial.
Chemical Analysis:
SiO2 56.0%
CaO 7.0%
MgO 30.7%
Fe2O3 0.1%
Al2O3 0.3%
Moisture (H2O) 5.6%
Physical Analysis:
Specific Gravity: 2.85
Brightness: 90% (GE)
pH: 9.4
Plus 325 Mesh: 0.04%
Oil Absorption: 29%
Particle Shape: Platy
Hegman (Fineness): 4%
Particle Size Distribution:
Median Particle Size 6.3 micron
Finer Than Weight Percentage
20 micron 94%
10 micron 70%
7 micron 58%
5 micron 40%
3 micron 28%
1 micron 10%
Packing: 50 lb bags 40 bags/wooden pallet
Origin: USA