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F Series Acicular Wollastonite Powder

F Series 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-F 48-53 43-46 0.15-0.30 0.15-0.55 0.02 0.5-2.0 0.02 0.007 1-4 9

 

Specifications D50(μm) Loose Density(g/ml) Tapped Density(g/ml) Sedimentation Value(ml/30g) Aspect Ratio
(L:D)
XYNFW-F50 55±2 0.40-0.50 0.65-0.85 45-50 13:1
XYNFW-F55 41±2 0.40-0.47 0.50-0.70 50-55 15:1
XYNFW-F60 35±2 0.35-0.48 0.50-0.65 58-60 18:1
XYNFW-F65 32±2 0.35-0.45 0.50-0.60 62-65 20:1
XYNFW-F70 27±2 0.35-0.40 0.50-0.60 65-70 25:1

 

Physical Properties of Wollastonite

 

Item Value
Particle Size (mesh) 100-200
Aspect Ratio（L:D） 13:1-25:1
Sedimentation Value (ml/200mg) 55-70
Oil Absorption (g/100g） 30-40
PH 9.9-10.0
Whiteness（%） ＞80
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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