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SW Series Superfine Acicular Wollastonite Powder

SW Series Superfine Acicular Wollastonite Powder

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As a typical metamorphic mineral, Wollastonite has primarily occurred in the contact belt between acid rock and limestone, also appeared in katametamorphic calc schist, volcanic product and certain al
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Product parameters

 

Component SiO2
(%)		 CaO
(%)		 Al2O3
(%)		 Fe2O3
(%)		 TiO2
(%)，Max		 MgO
(%)		 S
(%)，Max		 P
(%)，Max		 L.O.I
(1050℃) (%)		 PH
XYNFW-SW 48-53 43-45 0.15-0.30 0.15-0.45 0.02 0.5-1.2 0.02 0.007 1-4 9

 

Specifications Mesh D50(μm) Loose Density(g/ml) Tapped Density(g/ml) Sedimentation Value(ml/30g) Aspect Ratio
(L:D)		 Whiteness(%）
XYNFW-SW18 600 18±1 0.35-0.45 0.50-0.60 ≥55 10:1-15:1 85-92
XYNFW-SW15 800 15±1 0.30-0.45 0.45-0.60 ≥70 10:1-15:1 85-92
XYNFW-SW13 1000 13±1 0.30-0.45 0.40-0.65 ≥85 10:1-15:1 85-92
XYNFW-SW10 1250 10±1 0.30-0.40 0.45-0.58 ≥ 120 15:1-18:1 85-92
XYNFW-SW8 1500 8±1 0.20-0.40 0.35-0.60 ≥125 15:1-18:1 85-92
XYNFW-SW6.5 2000 6.5±1 0.30-0.35 0.30-0.55 ≥130 15:1-18:1 85-92
XYNFW-SW5 2500 5±1 0.15-0.35 0.30-0.55 ≥150 15:1-18:1 85-92

 

Physical Properties of Wollastonite

 

Item Value
Particle Size (mesh) 600-3000
Aspect Ratio（L:D） 10:1-18:1
Sedimentation Value (ml/200mg) 55-140
Oil Absorption (g/100g） 40-50
Whiteness（%） ＞90
PH 9.9-10.0
Refractive Index（%） 1.63
Density (g/cm2) 2.95
Coefficient of Expansion (mm/mm℃) 6.5×106
Melting Point (℃) 1450
Hardness (Mohs) 4.5-5.0

 

Particle size analysis
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