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calcined talcum powder talc
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Specifications:
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? | high-class product | first-rate product | qualified product |
Whiteness> | 96 | 95 | 88 |
Fineness 45μm,Passing rate?> | 99.9% | 99.5% | 98.5% |
Cumulative Content of Particle Size Distribution | <20μm 80% <10μm 50% <5 μm 30% | 72% 36% 16% | 60% 26% 12% |
SiO2?> | 61.0% | 58.0% | 55.0% |
MgO?> | 30.0% | 31.0% | 31.0% |
Cao?< | 0.50% | 1.00% | 1.50% |
Fe2O3?< | 0.30% | 0.30% | 0.30% |
Al2O3?< | 0.50% | 0.80% | 1.00% |
(1000°C)LOI?< | 6.00% | 8.00% | 10.00% |
Buck Density (g/cm2)?< | 0.45 | 0.55 | 0.65 |
Tightness?(g/cm2)?< | 0.90 | 0.95 | 1.00 |
Moisture?< | 0.1%-0.2% | ||
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Usage:?
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rubber, plastic, paint, such as chemical industry as a reinforcement modification filler.
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Features:
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increase the stability of the product practice.
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Increase the tension strength, shear strength, crooked intensity, intensity of pressure,
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reduce the deformation, stretch rate, coefficient of thermal expansion,
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white degree is high, the particle size are uniform dispersion characteristics such as strong.
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