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China mold maker

Difference of plastic


PP plastic is crystallization type polymer, PP plastic is the most light in  common plastic, density just 0.91g/cm3. General plastic, PP plastic is the most  abrasive resistance. Its thermal deformation temperature of 80-100℃,can boil in  the boiling water. PP plastic comprehensive performance is better than PE  plastic. PP product is lighter, good toughness, chemical resistance good.
PP plastic faults: size accuracy is low, poor in weather fastness, it easy  generation “copper pollution”, after demould, easy to aging, dmbritlerment, easy  to deform.
In daily life, crispers are made of PP plastic.

PE plastic is not readity soluble in water, water imbibition is small. Because  PE plastic water imbibition is small, not easy wet, have insulation performance,  it is a good building materials.

PVC: Obdurability, has insulation, chemical resistance, add plasticizer will  soften, heat resistance.

PMMA: Colorless transparent, good optical properties, obdurability, good  insulation

PS: Colorless transparent, easy dyeing, good insulation

Tags: plastic mould, injection mould, blow mould,
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