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| 10 WOLLASTOKUP |
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Chemically Surface Modified Wollastonite
Fillers and Extenders
Key Benefits of 10 WOLLASTOKUP in Polymer Composites:
Provides high impact strength
Improved dispersion & wet out by the matrix resin
Improved mold flow and cycle time
Improved surface appearance
Improved product uniformity, scrap rate and machinability of molded parts
Improved dimensional stability and mechanical properties
Reduced composite water sensitivity |
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Typical Properties:
Appearance: White
Morphology: Acicular
Molecular weight: 116
Specific gravity: 2.9
Refractive index: 1.63
Water solubility (g/100cc): 0.0095
Moh's hardness: 4.5
Coefficient of expansion (mm/mm/C): 6.5x10 -6
Melting point (C): 1540
Volatiles: <1.0%
Chemical Composition:
Component:
CaO: 47.0%
SiO2: 50.0
Fe2O3: 0.5
Al2O3: 1.0
MnO: 0.1
MgO: 0.3
TiO2: 0.05
Property:
Brightness: G.E. Brightness, % Reflectance: 95
Oil Absorption: mL/100g: 24
Bulk Density:
Loose: lbs./cu.ft. (g/cc): 30 (0.48)
Tapped: lbs./cu.ft. (g/cc): 50 (0.80)
Aspect Ratio: L/D: 3:1
Surface Area: m 2/g: 4:1
Minus 20 um:%: 100
Minus 10 um: %: 96
Median Particle Size: um: 3
Moisture: %: 0.15
Loss on Ignition (1000C): %: 0.70 |
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