What are the characteristics of PP?


The most important characteristics of PP are as follows […]

The most important characteristics of PP are as follows:

Chemical resistance: diluted alkali and acid do not react with PP, which makes it an ideal container for such liquids (such as detergents, first aid products, etc.).

Elasticity and toughness: PP is elastic within a certain range of deflection, and will undergo plastic deformation without cracking in the early stage of deformation, so it is usually regarded as a "tough" material. Toughness is an engineering term defined as the ability of a material to deform (plastic deformation rather than elastic deformation) without breaking.

Fatigue resistance: PP retains its shape after a lot of twisting and bending. This feature is particularly valuable for making living hinges.

Insulation: PP material has high resistance and is an insulating material.

Transmittance: It can be made into a transparent color, but it is usually made into a natural opaque color with a certain color transmittance. If you need high transmittance, you should choose acrylic or PC.

PP is a thermoplastic with a melting point of about 130 degrees Celsius, and becomes liquid after reaching the melting point. Like other thermoplastics, PP can be heated and cooled repeatedly without significant degradation. Therefore, PP can be recycled and easily recovered.

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