In Rubber applications, Precipitated Calcium Carbonate and Ground Limestone are primarily used as a mineral filler and as a surface enhancer for extruded products.

Preciptiated Calcium Carbonate
Albacar 8101Moderate Oil Absorption / 1.4 micron
Albacar 5970High Oil Absorption / 1.9 micron
Ground Limestone
Series - UntreatedParticle Size
Low Micron 
Vicron Series East - All Grades3.5 - 10.0 micron
Vicron Series West - All Grades1.6 - 13.0 micron
Medium Micron 
Marblewhite Series East - All Grades86 - 99.4% thru 325 Mesh
Marblewhite Series West - All Grades80 - 99% thru 325 Mesh
Surface Treated 
Hi-Pflex 100 East3.5 micron
Hi-Pflex 100 West3.5 Micron
Pfinyl 402 East5.5 micron
Super-Fil West2.0 micron

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