What is Polypropylene

A thermoplastic polymer, polypropylene (also called polypropene) has properties between that of LDPE and HDPE and is one of the most versatile polymers available.

Chemical Composition

 

A.K.A.

Polypropene, PP

The symbol for polypropylene developed by the Society of the Plastics Industry so that items can be labeled for easy recycling is:

Properties

Semi-rigid, translucent, good chemical resistance, tough, good fatigue resistance, integral hinge property, good heat resistance.

Physical Properties: Value:
Tensile Strength: 0.95 – 1.30 N/mm2
Notched Impact Strength: 3.0 – 30.0 Kj/m2
Thermal Coefficient of Expansion: 100 – 150 x 10-6
Max. Continued Use Temperature: 80 oC (176 oF)
Melting Point: 160 oC (320 oF)
Glass Transition Temp. (atactic): -20 oC (-4 oF)
Glass Transition Temp. (isotactic): 100 oC (212 oF)
Density: 0.905 g/cm3
From Website
Edited by Leafly Mould Provides Injection Mold, Plastic Mold, Injection Molding, Die Casting Mold, Stamping Mold

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