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| Harwick #5-C |
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Calcined Clays
Fillers and Extenders
Harwick #5-c, #7-C, and #8-C Clays are calcined, high grade, Georgia Kaolin clays.
The low moisture absorption of these clays provide excellent electrical properties in wire and cable compounds and other applications where high brightness, inertness and superior electrical resiatance properties are required. |
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Typical Chemical Analysis:
Ignition Loss, %: 0.5
Silica, %: 52.2
Alumina, %: 44.3
Iron Oxide, %: 0.6
Titanium Dioxide, %: 1.8
Manganese, %: 0.02
pH: 5-6
Typical Physical Characteristics:
Specific Gravity: 2.50
Moisture, % Maximum: 0.50
Screen Residue, % on 325 Mesh (Wet): 0.03
Average Particle Size, microns: 1.4
G.E. Brightness: 84-86
Oil Absorption: 50-60
Bulk Density (lbs./cu.ft. loose): 16 |
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