Polypropylene Copolymer

Fractional Melt Flow PP Copolymer with High Extrude Strength

Tensile Stress vs Tensile Strain

ASTM D638 (2"/min test speed)

Polypropylene tensile stress vs. tensile strain.

SPS does not recommend designing beyond yield. Endpoint does not indicate break due to environmental chamber limitations.

Fractional Melt Flow PP Copolymer Resin for Food Packaging

Pro-fax 7531 medium impact polypropylene copolymer resin is designed for food packaging applications. It can be used on standard injection molding and thermoforming equipment.

Pro-fax 7531 resin meets FDA requirements in the Code of Federal Regulations in 21 CFR 177.1520 for all food contact, including cooking applications.

Pro-fax 7531 resin has passed USP Class VI testing. It has a UL yellow card RTI of 65 °C and a flame rating of UL94HB; these apply to all colors at a minimum thickness of 0.039 inches. All ingredients meet the chemical registration requirements ofTSCA (U.S.) and DSL (Canada).

  • Low odor and low taste transfer
  • Good cold impact resistance
  • Excellent dimensional stability
Typical Applications:
  • Food containers
  • Medical wares
  • Houseware

Polypropylene resin properties.

(a) The property values shown are measured, where applicable, on injection molded test specimens. They are based on a limited number of tests and, therefore, should not be construed as product specifications. These values may shift slightly as additional data are accumulated.

Issued: 3 / 99

Note: Before using a SPS product, customers and other users should make their own independent determination that the product is suitable for the Intended use. They should also ensure that they can use the SPS product safely and legally This document does not constitute a warranty, express or implied, including a warranty of merchantability or fitness for a particular purpose. No one is authorized to make such warranties or assume any liabilities on behalf of SPS except in a writing signed by an authorized SPS employee. Unless otherwise agreed in writing, the exclusive remedy for all claims is replacement of the product or refund of the purchase price at SPS's option, and in no event shall SPS be liable for special, consequential, incidental, punitive, or exemplary damages.