Polypropylene Resin

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Polypropylene

Polypropylene ResinPolypropylene resin is one of the most dynamic resins available today.  There are three types of polypropylene resin; Homopolymer, Random Copolymer, and Impact Copolymer.  Polypropylene resin can be used in a wide range of products and applications; blow molding (bottles and make up containers), non-woven (band aids and diapers), extrusion (rope and carpet), and Injection molding (cups and housewares).  Polypropylene can also be modified with glass or mineral to meet each unique situation.  Some of the major producers in the North America are ConocoPhillips, Braskem, ExxonMobil, Flint Hills, Formosa, Pinnacle, Ineos, Equistar (LyondellBasell), and Total Petrochemicals.

Polypropylene is also easily recycled and easily processed after it has been recycled. Lone Star Chemical purchases polypropylene regrinds, scrap and finished parts that will be recycled.

Homopolymer is a stiffer product than both the random and impact copolymer because it does not contain ethylene.  Because it does not contain ethylene it is also more of a brittle material when compared to the random and impact copolymers.

Impact Copolymers are called copolymers because they contain both propylene and ethylene (approximately 10-15% Ethylene).  These products are not as stiff as homopolymers but have much improved impact resistance.   Most impact copolymers are used in injection molding applications.

Random Copolymers offers good clarity or translucency when compared to homopolymers and impact copolymers; it does offer improved impact resistance over homopolymers but does not have the same impact strength as impact copolymers.  Random copolymers are used in blow molding and injection molding applications.

Please contact our polypropylene resin specialists for a quote. 

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