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Calcium Carbonate For Rubber

Calcium Carbonate For Rubber
Calcium Carbonate For Rubber
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Product Code : 08
Product Description

Application:  As a reinforcing filler and improve strength as well as whiteness. It imparts stiffness to non cured rubber product. 
Finished Product:  Shoes & Slipper sole, Tyre tube straps, Floor Tiles, Mat, Conveyor, Belts Hoses tubes R.P. granules etc.
Grade Recommended : KC-1 Super, KC-2, KC-1

Calcium Carbonate has CaCO3 as its chemical formula. It is generally found in rocks like minerals, limestone and it’s the principle component of shells of sea animals like snails and also of pearls.

Ground calcium carbonate is taken into use in an extensive assortment of rubber applications like a detacktifying and extender agent. In other rubber usages, it can enhance stiffness or offer abrasion resistance. Some distinctive examples of CaCO3 usages in rubber industry comprise about 15 to 20% filling of chalk inside unplasticized polyvinyl chloride (uPVC) drain pipe and 5 to 15% filling of stearate coated marble or chalk in uPVC window outline. PVC cables also utilize calcium carbonate at fillings of up to 70 phr to enhance mechanical properties (elongation and tensile strength) and electrical chattels (volume resistivity). Polypropylene mixtures are frequently occupied with CaCO3 to upsurge rigidity, a prerequisite that is significant at high use temperatures.

  • Utilized in manufacturing of Tyre tube straps, Shoes & Slipper sole, Mat, Conveyor, Floor Tiles, Belts, Hoses tubes R.P. granules etc.
  • Adds elasticity and stiffness to the manufactured products.
  • Improves strength and adds whiteness to non-cured rubber goods.

Specifications :

  • Grade: ACS reagent, chelometric standard
  • InChI Key: VTYYLEPIZMXCLO-UHFFFAOYSA-L
  • Assay: 99.95-100.05% dry basis
  • Form: powder
  • Impurities: <0.01% NH4OH pptd., <0.01% insol. dil. HCl
  • Solubility: dilute HCl: soluble6.7%
  • Density: 2.93 g/mL at 25oC(lit.)
  • anion traces: chloride (Cl-): <0.001%, fluoride (F-): <0.0015%, sulfate (SO42-): <0.005%
  • cation traces: Ba: ≤0.01%, Fe: <0.002%, K: <0.01%, Mg: ≤0.01%, NH4+: <0.003%, Na: <0.01%, Sr: <0.1%, heavy metals: <0.001% (by ICP-OES)


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