Copolymer vs Hopolymer
Proteus Copolymer, known as PP-C, is a high-impact-resistant thermoplastic that offers the same excellent chemical and corrosion resistance as Homopolymer Polypropylene but with better resistance to cracking at low temperatures. It is FDA compliant, more formable, and no moisture absorption. Polypropylene Homopolymer, known as PP-H, resists most acids, alkalis, and solvents - chemical and corrosion-resistant. It is easy to fabricate, weld, or machine, and its dimensionally stable offering added rigidity especially in higher temperature ranges.
It also meets FDA 21CFR 177.1520 and USDA guidelines for use in federally inspected meat and poultry packing facilities.
Polypropylene Copolymer has a continuous use temperature range of -4° F (-20° C) to 176° F (80° C) and exhibits an increased impact strength at low temperatures. Polypropylene Homopolymer has a continuous use temperature of 32° F (0° C) to 212° F (100° C).
- High impact and abrasion resistance strength
- Stress crack resistant
- Excellent processability - formable and weldable
- Meets food handling guidelines
- High chemical and corrosion-resistant
- Good electrical insulation properties
- Low water absorption
- FDA and 3-A Dairy Compliant