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Q&A of EPS

Polypropylene has many excellent properties:

 

1. The relative density is small, only 0.89-0.91g/cm3, which is one of the lightest varieties in plastics.
2. Good mechanical properties, except for impact resistance, other mechanical properties are better than polyethylene, and the molding processability is good.
3. It has high heat resistance, and the continuous use temperature can reach 110-120°C.
4. Good chemical performance, almost no water absorption, and no reaction with most chemicals.
5. Pure texture, non-toxic.
6. Good electrical insulation.
7. The transparency of polypropylene products is better than that of high-density polyethylene products.

Disadvantages of polypropylene material:

 

1. The product has poor cold resistance and low low temperature impact strength.
2. The product is susceptible to aging due to the action of light, heat and oxygen during use.
3. The coloring property is not good.
4. Easy to burn.
5. Poor toughness, high static electricity, poor dyeability, printability and adhesion.