CNC machining in Polypropylene (PP) | Manufacturing Materials

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Polypropylene (PP)

4.8 (12 Reviews) 424 orders

Material type: Plastic

Polypropylene (PP) is a thermoplastic polymer resin which has a tough, rigid and crystalline structure from a propene monomer. It’s the second most widely produced plastic (after PE) and is harder and more heat resistant than PE. It has many uses from commercial to industrial applications.

Process compatibility

CNC Milling CNC Turning

Material Color

White

Black

Material advantages

Lightweight, chemically stable, and will not rust; good impact resistance; good transparency and wear resistance; good insulation, low thermal conductivity; general formability, good coloring, and low processing cost.

Material shortcomings

Poor heat resistance, high thermal expansion rate, easy to burn; poor dimensional stability, easy to deform.

Recommended description

Properties

Name
Density	0.855 g/cm3
Melting point	171 °C
Tensile strength	33 MPa
Yield strength	32 MPa
Modulus of elasticity	1.6 GPa
Elongation at break	8% - 12%
Hardness	102 HRR
Maximum service temperature	130 °C
Thermal expansion coefficent	17 10^-6 ºC
Thermal conductivity	0.27 W/(m⋅°C)