Polypropylene (PP)

POLYPROPYLENE PP

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Polypropylene (PP)

Polypropylene’s mechanical features are better than those of HDPE, but it has lower notched impact strength. its chemical and electrical properties are very good but at low temperatures it becomes brittle. Operating temperature range is +5°C to +100°C

  • Chemical: high chemical resistance.
  • Tensile stress: very high among the polyolefins.
  • Low specific gravity.
  • Easy machinability on mechanical tools. It can be welded.
  • Good stability to temperature.
  • Colour: beige-grey RAL 7032 and natural

WEAK POINT

Compared to the engineering plastics it has low thermal and mechanical properties: tensile stress, flexural and compressive strength, etc. Compared to PE it is more rigid but less shock resistant.

Mechanical

Mechanical: it is also used for mechanical components in corrosive environments. It has a higher tensile stress than H.M.W. PE.

Food Contact

Food contact: it is physiologically inert, so in natural form, it is approved for use in contact with food.

Electrical

Electrical: good dielectric properties. Weather stability is its best feature for this application. 

Chemical

Chemical: the widest application field for PP is the chemical industry. Thanks to its high resistance to acids and alkali and its higher temperature resistance than PVC, it is used for components in the chemical, galvanic and petrochemical industries to produce valves, flanges, gears, etc.