CIMBAR RiverCal™ 8105 & 8105C Calcium Carbonate (CaCO 3 )

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CIMBAR RiverCal™ 8105 & 8105C Calcium Carbonate (CaCO₃)
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	RiverCal™ 8100 Series Calcium Carbonate are high purity, white, functional fillers targeted for use in thermosets, thermoplastics, paint & coatings, sealants, TPO's and TPE's and other applications requiring an economical filler. RiverCal™ 8100 Series products are also available with stearic acid surface coating, designated with a "C", where improved flow and reduced dusting are required. Information provided by Cimbar Performance Minerals.
Key Words:	CaCO3
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Physical Properties	Original Value	Comments

Specific Gravity	2.71 g/cc
Bulk Density	35.0 lb/ft³	Loose
	76.0 lb/ft³	Tapped
Brightness	89 %	Stearate Treated, Hunter Rd value
	92 %	Uncoated, Hunter Rd value
Oil Absorption	18 %	g oil/100 g filler; ASTM D281
Fineness	5.5	Hegman Fineness; ASTM D1210
Moisture Absorption at Equilibrium	0.30 %
Loss On Ignition	44 % @Temperature 1050 °C
Particle Size	1.6 µm	@ 10%
	4.3 µm	D50
	25 µm	@ 98%
Particle Mesh Size	325 Mesh	0.3% retained
pH	9.5

Component Elements Properties	Original Value	Comments
Fe2O3	<= 0.10 %

Descriptive Properties
CaCO3	99
MgCO3	< 1

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CIMBAR952 / 133434

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