About |
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Polifil ® C series compounds are homopolymer polypropylene resins reinforced with fine particle size calcium carbonate. They combine high impact with stiffness, good colorability, resistance to environmental stress-cracking, good surface, and low mold shrinkage. Polifil ® C products in the 20 to 40% range are UL94 HB rated. These compounds are used in appliances, electrical components, housewares, toys, automotive, and 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.&& |
Product Description | |
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Generic | PP homopolymerization |
Material Status | Commercial: Active |
Features | Good Rigidity,Good heat aging resistance,Good surface appearance,Low contractility,High ESCR,Homopolymer,Good coloring |
Availabilitys | North America |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 0.978 | g/cm³ | ASTM D792 |
Melt Flow Rate | |||
230℃,2.16kg | 8.0 to 12 | g/10min | ASTM D1238 |
Shrinkage rate | |||
MD:3.2 mm | 1.5 | % | ASTM D955 |
IMPACT | Nominal value | Unit | Test method |
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Impact strength of cantilever beam notch | |||
23℃ | 37 | J/m | ASTM D256 |
Drop hammer impact | |||
23℃,12.7 mm | 2.71 | J | ASTM D3029 |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | ASTM D648 | ||
0.45 MPa, unannealed | 93.3 | ℃ | ASTM D648 |
1.8 MPa, unannealed | 54.4 | ℃ | ASTM D648 |
MECHANICAL | Nominal value | Unit | Test method |
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Shore hardness | |||
Shaw’s D | 72 | ASTM D1415 | |
Tensile modulus | |||
23℃ | 1450 | MPa | ASTM D638 |
tensile strength | |||
23℃ | 30.3 | MPa | ASTM D638 |
Tensile strain | ASTM D638 | ||
Yield, 23 ℃ | 8.0 | % | ASTM D638 |
Fracture, 23 ℃ | 30 | % | ASTM D638 |
Bending modulus | |||
Tangent, 23 ℃ | 1590 | MPa | ASTM D790 |
bending strength | |||
23℃ | 35.2 | MPa | ASTM D790 |
Process Conditions | |||
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injection | Nominal value | Unit | Test method |
Drying temperature | 82 to 104 | °C | |
Drying time | 1.0 to 2.0 | hr | |
Barrel rear temperature | 199 to 210 | °C | |
Barrel middle temperature | 210 to 221 | °C | |
Barrel front temperature | 221 to 232 | °C | |
Nozzle temperature | 227 to 232 | °C | |
Processing (melt) temperature | 204 to 260 | °C | |
Mold temperature | 10 to 27 | °C | |
Injection speed | 快速 | ||
Back pressure | 0.345 to 0.689 | MPa | |
Screw speed | 50 to 100 | rpm |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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