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Product Features
20 Products
Food & Pharmaceutical Grade <span>Wollastonite</span> Powder

Food & Pharmaceutical Grade Wollastonite Powder

$1,199.99
Main Purity: ≥95.0% SiO2
Average Particle Size: 500 Mesh (25μm)
Whiteness: ≥92
Moisture Content: ≤0.1%
PH Value: 7.5-9.0
Heavy Metal Content: Compliant with FDA 21 CFR Part 172.210 Standards
Microbial Limit: ≤100 CFU/g Total Plate Count
Los on Ignition: ≤1.0%
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Plastic Filler Grade Raw <span>Wollastonite</span> Powder

Plastic Filler Grade Raw Wollastonite Powder

$0.85
SiO2 Content: 50.5±0.5%
CaO Content: 45.0±0.5%
Whiteness: 88±1%
Average Particle Size: 800 Mesh
Moisture Content: ≤0.2%
pH Value: 8.5-9.5
Ignition Loss: ≤0.3%
Aspect Ratio: 6:1
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Wear-resistant Ceramic Grade <span>Wollastonite</span> Powder

Wear-resistant Ceramic Grade Wollastonite Powder

$1
Purity: 96% minimum
Particle Size: 200-325 mesh
Linear Expansion Coefficient: 6.5×10^-6/℃
Wear Resistance Enhancement: 18% average
Mohs Hardness: 4.5-5.0
Moisture Content: 0.3% maximum
pH Value: 8.0-9.0
Packaging: 50kg Woven Bags
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Ceramic Grade Ultra-fine <span>Wollastonite</span> Powder

Ceramic Grade Ultra-fine Wollastonite Powder

$2.2
SiO2 Content: 51.5±0.3%
CaO Content: 45.5±0.3%
Fe2O3 Content: ≤0.02%
Whiteness: 95±1%
Average Particle Size: 2000 Mesh
Moisture Content: ≤0.1%
pH Value: 9.0-9.5
Ignition Loss: ≤0.1%
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Friction Material Special Needle-like <span>Wollastonite</span> Powder

Friction Material Special Needle-like Wollastonite Powder

$2.5
SiO2 Content: 52.0±0.3%
CaO Content: 45.8±0.3%
Aspect Ratio: 15:1
Average Particle Size: 600 Mesh
Moisture Content: ≤0.1%
pH Value: 9.0-10.0
Ignition Loss: ≤0.15%
Mohs Hardness: 4.5-5.0
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Nano-scale High-purity <span>Wollastonite</span> Powder

Nano-scale High-purity Wollastonite Powder

$3.2
Purity: 99% minimum
Particle Size: 50-200 nm
Specific Surface Area: 15-25 m²/g
Aspect Ratio: 20:1 minimum
Thermal Conductivity: 0.3 W/m·K
Moisture Content: 0.1% maximum
Heavy Metal Content: ≤3ppm
Packaging: 10kg Vacuum Sealed Bags
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Ultra-fine Plastic Filling Grade <span>Wollastonite</span> Powder

Ultra-fine Plastic Filling Grade Wollastonite Powder

$1.35
Purity: 97.5% minimum
Particle Size: 1500-3000 mesh
Aspect Ratio: 15:1 minimum
Tensile Strength Enhancement: 12% average
Impact Strength Improvement: 8% average
Moisture Content: 0.15% maximum
Oil Absorption: 20-25g/100g
Packaging: 25kg Cartons
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High Purity Coating Grade <span>Wollastonite</span> Powder

High Purity Coating Grade Wollastonite Powder

$1.15
Purity: 98.5% minimum
Particle Size: 325-1250 mesh
Whiteness: 92% minimum
Oil Absorption: 22-28g/100g
pH Value: 8.5-9.5
Moisture Content: 0.2% maximum
Loss on Ignition: 0.5% maximum
Packaging: 25kg Paper Bags
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Metallurgical Protective Slag Low Iron <span>Wollastonite</span> Powder

Metallurgical Protective Slag Low Iron Wollastonite Powder

$1.2
SiO2 Content: 51.8±0.2%
CaO Content: 46.2±0.2%
Fe2O3 Content: ≤0.01%
Average Particle Size: 325 Mesh
Moisture Content: ≤0.2%
pH Value: 9.0-9.5
Ignition Loss: ≤0.2%
Melting Point: 1530℃
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Welding Electrode Special <span>Wollastonite</span> Powder

Welding Electrode Special Wollastonite Powder

$295
Chemical Composition: SiO2 48-52%, CaO 43-47%
Arc Stability: ≥95%
Slag Removal Rate: ≥92%
Particle Size: D50 ≤0.008 Millimeters
Moisture: ≤0.1%
Harmful Emission: No Harmful Gas
Compatible Products: Carbon Steel Welding Electrodes
Weld Bead Appearance: Improved
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