Micro Talc

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Grade - ST 20

Analysis
Typical %
SiO2
61 - 62%
MgO
30 - 32%
Al2O3
0.1%
Fe2O3
0.51%
CaO
0.1%
pH
9.3
DIN 53140 Reflectance Factors
Rx 93 - 96%
Elrepho 3000
Ry 92 - 96%
ISO Brightness
R457 92 - 95%
E313 Yellowness
YI 0.2 - 0.4
Physical Properties
Particle Size
98% less than 20 microns
45 micron
100% passing
20 micron
98%
8 micron
75%
5 micron
50%
2 micron
30%
Surface Area (BET method)m2/gm
7
Hardness
1
Mean Particle Size
4 - 5 micron
Specific Gravity
2.65 - 2.75
Bulk Density Gm/cc
0.45
Loss on Ignition @110°C
0.5
Oil Absorption ml/100gm
35 - 37
Moisture
0.5% Max
Packing
25 kg Poly Bag

Information above is given in good faith as accurate but not guaranteed to be a specification. No guarantee is given or implied. Users should conduct tests to determine suitability for any specific purpose.

View or Download this datasheet as a PDF

Grade - ST 480

Analysis
Typical %
SiO2
45 - 49%
MgO
30 - 32%
Al2O3
1% max
Fe2O3
0 - 1%
Physical Properties
Whiteness compared to
MgCo3 Standard
90 - 92%
pH of 10% Slurryn
8.4
Specific Gravity
2.8
Oil Absorption ml/100gm
35 - 38
Packing
25 kg Poly Bag

Information above is given in good faith as accurate but not guaranteed to be a specification. No guarantee is given or implied. Users should conduct tests to determine suitability for any specific purpose.

View or Download this datasheet as a PDF

Product Range

We pride ourselves on distributing raw materials of the highest quality while also providing an excellent and efficient service to our customers. Most of our raw materials are proudly sourced from Southern Africa, widely considered to be the minerals treasure chest of the world.

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