CUSTOM COMPOUNDERS SINCE 1973

Polifil® RMC

High Impact Calcium Carbonate-Reinforced Polypropylene

Polifil® RMC series compounds are high impact polypropylenes reinforced with fine particle size calcium carbonate. In addition to the highest impact possible, they possess good stiffness, heat aging resistance, solvent resistance, surface quality, and good resistance to environmental stress-cracking. These compounds find applications in automotive, appliances, electrical components, housewares and various utility products. Standard processing techniques are applicable.

Use this information as a guide to aid you in selecting the proper resin for your application. TPG will custom compound and fine-tune our formulations for your application.

The property values listed in the PDF document(s) have been obtained using laboratory controlled test methods. They are offered without guarantee since conditions under which the product is used are beyond our control. Mold shrinkage is intended as a guide only, as specific shrinkage is affected by part design, mold design and molding conditions. Therefore, The Plastics Group disclaims any liability for loss or damage incurred in connection with the use of this product.


Physical
ASTM/
Method
Polifil®
RMC-10
Polifil®
RMC-20
Polifil®
RMC-30
Polifil®
RMC-40
Reinforcement content (%) TPG WI 10 20 30 40
Specific gravity D 792 0.98 1.05 1.15 1.24
Melt flow 230/2.16 (g/10 min) D 1238 8-12* 8-12* 8-12* 8-12*
Water absorption, 24 hours (%) D 570 nil nil nil nil
Mold shrinkage - 1/8" specimen (in/in) D 955 0.014 0.013 0.012 0.011
Mechanical @ 73°F          
Tensile strength (psi) D 638 3,600 3,700 3,600 3,500
Elongation @ yield (%) D 638 9.0 7.0 5.0 5.0
Elongation @ break (%) D 638 100 100 80 40
Tensile modulus (kpsi) D 638 170 210 240 260
Flexural modulus, tangent (kpsi) D 790 190 230 260 300
Flexural strength (psi) D 790 4,200 4,800 5,600 6,000
Izod impact, notched (ft-lbs/in) D 256 1.2 1.3 1.3 1.2
Gardner impact, 1/2" tup (in-lbs) D 5420 60 80 120 120
Hardness, shore (D-scale) D 1415 68 70 72 73
Thermal          
Deflection temperature, 66psi (°F) D 648 185 200 220 230
Deflection temperature, 264psi (°F) D 648 115 125 130 135

* melt flow may be specified