Commodity Plastics
PP Homopolymer Injection — Polypropylene Homopolymer for Injection Molding
PP homopolymer offers high stiffness, good tensile strength, and excellent resistance to heat and chemicals. It is cost-effective and widely used in injection molding for durable goods like housewares, automotive components, and packaging.
PPPro-faxChisso Polypro
Manufacturers
3
Grades
3
Applications
4
Equivalents
2
Physical Properties
- Density
- 0.900-0.915 g/cm³
- Water Absorption (24h)
- <0.05 %
- Transparency
- Can be translucent to opaque
- Shrinkage
- 1-2.5 %
Mechanical Properties
- Young's Modulus
- 1.2-1.7 GPa
- Tensile Strength
- 30-40 MPa
- Elongation at Break
- 2-10 %
- Impact Strength (Izod)
- 50-100 J/m
Thermal Properties
- Glass Transition Temperature
- -10 °C
- Melting Point
- 160-170 °C
- Continuous Service Temperature
- 80-100 °C
- Heat Deflection Temperature
- 60-80 °C
Electrical Properties
- Dielectric Constant
- 2.2-2.3
- Volume Resistivity
- >10¹⁶ Ω⋅cm
- Dielectric Strength
- 20-30 kV/mm
Chemical Resistance
- Acids
- Excellent resistance
- Bases
- Excellent resistance
- Solvents
- Good resistance at room temperature, swells in hot aromatic and chlorinated hydrocarbons
- UV Resistance
- Poor (requires stabilization)
Sustainability
- Recyclability
- Recyclable
- Recycling Code
- 5 (PP)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Injection moldingExtrusionThermoforming
Applications
Caps and closures
Automotive parts
Housewares
Appliances
Available grades
PP 30SPP 552NPP H2010