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Polypropylene

MM Polytrade

Polypropylene (PP)

 

Polypropylene (PP) is the second most widely used thermoplastic in the world after polyethylene and is produced by polymerization of propylene with  chemical formula (C3H6)n. While the properties of polypropylene are similar to those of polyethylene, there are specific differences, they include a lower density and a higher melting point (polypropylene does not melt at temperatures below 160°C), combined with higher stiffness, strength and resistance to bases, acids and chemical agents. There are three main groups of polypropylene, which are determined by the composition of the polymer chain and changing their specific properties.

 

We can offer you the complete range of polypropylenes including :

 

Polypropylene

 

  • PPH, Polypropylene homopolymers – Polypropylene homopolymer is a thermoplastic polymer obtained by polymerization of propylene with catalysts. Homopolymers can be used by various processing technologies, such as injection molding, blow moulding, extrusion and thermoforming, and are widely used in the production of packaging, household goods, textiles, films, healthcare, pipes, as well as various automotive and electrical parts.
  • PPC, Polypropylene impact copolymers – Polypropylene copolymers are a thermoplastic polymers obtained by copolymerization with ethylene, but in this type of material, the ethylene content is much higher than in conventional copolymers. This results in a much stronger material with excellent impact strength even at low temperatures.
  • PPR, Polypropylene random copolymers –  Polypropylene random copolymers are thermoplastic polymers obtained by polymerization of propylene, with ethylene or butene bonds introduced into the polymer chain. These resins provide a wide range of characteristics and allows its processing by injection molding, blasting, thermoforming and extrusion in products requiring transparency, good gloss and good aesthetic properties.
  • Polypropylene Compounds – Available as homopolymer and copolymer in different grades, such as mineral filled, glass fires reinforced, colored to RAL or Pantone, impact modified and flame retardant UL94 V2 and V0 (also halogen free grades) with UL certification (yellow card)

 

Specialty products

 

  • Low Emission – polypropylene homopolymers intended for use in automotive applications, including interior trims, requiring low emissions of volatiles.
  • Clear PP – grades able to bridge the gap between PP Random and Impact Copolymers, and offers the best of the two families: good transparency combined with good impact/stiffness balance.

Polypropylene

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