ExCal® CW 325

ExCal® CW 325 is processed from a high-purity ore to exacting specifications at our Houston, TX plant. ExCal® CW 325 is processed for use in plastics, rubber, coatings, adhesives, sealants, mastics, and other specialty applications where color, binder demand, and economics are of importance.

Principal: Cimbar Performance Minerals

Functions: Binder & Resin

Chemical Name: Calcium Carbonate

Chemical Family: Calcium Salts, Carbonates

End Uses: Mastics

Labeling Claims: Listed in California Prop 65

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Physical Form

Packaging & Availability

Packaging Information

ExCal® CW 325 is available in 50 lb bags, 2,000 lb bulk bags, and bulk trucks.

Other

Aluminum Content
0.95 %(W/W)
Appearance (SDS)
Sand
Bulk Density
88.0 lb/ft³
Bulk Density
53.0 lb/ft³
Calcium Carbonate Content
98.0 %(W/W)
Color (SDS)
White
Decomposition Temperature (SDS)
min. 840.0 °C
Explosive Nature (SDS)
Not considered to be explosive
Ferric Oxide Content
0.05 %(W/W)
Flammable Nature (SDS)
Nonflammable
Magnesium Carbonate Content
0.8 %(W/W)
Melting Point (SDS)
min. 1300.0 °C
Moisture Content
0.1 %
Molecular Weight (SDS)
100.1 g/mol
Odor (SDS)
Odorless
Principal
Refractive Index (SDS)
1.6
Relative Density (SDS)
2.71
Sieve Fractionation (Through)
97.0 %
Silicon Dioxide Content
max. 0.01 %(W/W)
Specific Gravity
2.7
pH
7.0-8.0
pH (SDS)
8.0-9.0
Chemical Properties
ValueUnitsTest Method / Conditions
pH7.0-8.0-
Physical Properties
ValueUnitsTest Method / Conditions
Bulk Density88.0 lb/ft³lb/ft³packed
Bulk Density53.0 lb/ft³lb/ft³
Moisture Content0.1 %%
Sieve Fractionation (Through)97.0 %%-325 Mesh
Specific Gravity2.7-
Material Composition
ValueUnitsTest Method / Conditions
Aluminum Content0.95 %(W/W)%(W/W)
Calcium Carbonate Content98.0 %(W/W)%(W/W)
Ferric Oxide Content0.05 %(W/W)%(W/W)
Magnesium Carbonate Content0.8 %(W/W)%(W/W)
Silicon Dioxide Contentmax. 0.01 %(W/W)%(W/W)
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Decomposition Temperature (SDS)min. 840.0 °C°C
Melting Point (SDS)min. 1300.0 °C°C
Molecular Weight (SDS)100.1 g/molg/mol
Refractive Index (SDS)1.6-
Relative Density (SDS)2.71-
pH (SDS)8.0-9.0-