Polypropylene (PP) Plastic

PP is tough, but flexible and resistant to chemicals. In addition, PP’s high melting point makes it ideal for hot-filled liquids. The most common use for PP in thermoforming is in the production of food packaging.

Polypropylene (PP) Characteristics

• Clarity – mostly colored opaque or translucent
• Strength – very soft and resilient (zero cracking)
• Versatility – tough and flexible
• Barrier to moisture
• Resistance to chemicals, grease, oil, and heat
• Long heat cycle
• Some shrink issues
• Very high yield

Polypropylene (PP) Common Forms

• Microwave-safe plastic
• Margarine tubs
• Medicine bottles
• Yogurt containers

Other Types of Materials

• High Density Polyethylene (HDPE) Plastic
• Polyethylene Terephthalate (PET, PETE, RPET, PETG) Plastic
• Polylactic Acid (PLA) Plastic
• Polypropylene (PP) Plastic
• Polystyrene (PS) Plastic
• Polyvinyl Chloride (PVC) Plastic