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Polypropylene

A dependable commodity plastic molded for parts with living hinges or repeated-flex features.

Example: molded Polypropylene

What is it?

Chemically resistant and dimensionally stable at high temperatures, with low moisture absorption.

Key behavior

Excellent fatigue resistance, ideal for living hinges, plus strong chemical resistance.

Why choose it

Any part with a living hinge or repeated-flex feature.

Applications

Living hinge containers, medical labware, consumer packaging closures.

Processing notes

A dependable, well-understood molding material for hinge and flex applications specifically.

Properties

Density0.90-0.91 g/cm3
Typical HardnessRockwell R80-R100
Typical Strength4,000-5,500 PSI tensile
Lead TimeConfirmed per RFQ
FinishingConfirmed per RFQ
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