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X-Pro® PP 4620 is a general-purpose, medium- to high-flow, high-impact polypropylene copolymer used in injection molding applications where good melt and high impact strength are important. It is a 98% recycled content grade that provides a low-cost alternative to virgin resin, while maintaining comparable quality and processability.

Polymer NamePolypropylene Copolymer

Labeling ClaimsRecycled, Contains PIR Resin, Contains PCR Resin

Processing MethodsInjection Molding

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Plastics & Elastomers Processing Methods


Typical Properties
ValueUnitsTest Method / Conditions
Melt Flow17-25g/10 minASTM D1238 / ISO 1133
Izod Impact Notched (at 23 °C)4.5-7.5Ft lbs/inASTM 256 / ISO 180/A
Flexural Modulus (0.05 in/min)min. 120,000psiASTM D790 / ISO178

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Certifications & Compliance
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Technical Details & Test Data

General Injection Molding Guide
Barrel Temperature Rear 360° F to 420°F Middle-380° F to 440°F

Front-400° F to 420°F

Nozzle Temperature 400°F – 420°F
Melt Temperature 400°F – 440°F
Mold Temperature 80°F – 140°F
Molding Pressure Boost-500 to 1,500 psi Hold-50 to 75% of Boost

Back-50 to 150 psi

Screw Speed Medium to Fast
Clamp Force

2 to 2.5 tons per square inch part projected area


2 to 4 hours @ 180°F