Excalibar ExCal® CW 100 Calcium Carbonate CaCO 3 Powder

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Excalibar ExCal® CW 100 Calcium Carbonate CaCO₃ Powder
Categories:	Ceramic; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	ExCal® CW calcium carbonate products are processed from a high-purity ore, to exacting specifications at the Houston, Texas plant. These grades are processed for use in plastics, rubber, coatings, adhesives, sealants, mastics, and other specialty applications where color, binder demand and economics are of importance. Information provided by Excalibar Minerals LLC.
Key Words:	CaCO3
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Physical Properties	Original Value	Comments

Specific Gravity	2.70 g/cc
Bulk Density	63.0 lb/ft³	Loose
	100 lb/ft³	Packed
Brightness	95 %	Hunter Dry Brightness, L Value
Moisture Absorption	0.1 %
Particle Mesh Size	200 Mesh	70% passes
pH	7 - 8

Component Elements Properties	Original Value	Comments
Al2O3	0.95 %
Fe2O3	0.050 %
SiO2	<= 0.010 %

Descriptive Properties
Acid Solubility	98
CaCO3 wt%	98
MgCO3 wt%	0.8
R2O3 wt%	0.1

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CEXCAL979 / 176046

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