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Polypropylene Profiles and Recycled Polypropylene Plastic Profiles
Polypropylene was introduced in the 1950’s as an alternative to Polyethylene and is very popular today. Polypropylene profiles are very similar to Polyethylene profiles except this material is stiffer and its upper service temperature is about 200° to 220° F. Polypropylene is naturally translucent, and when colored produces plastic profiles with a glossy finish. Polypropylene profiles are easy to process, and have good chemical resistance along with fair impact strength. Polypropylene has very good resistance to repetitive stress so this material is often preferred in applications requiring hinging or bending motions. Polypropylene profiles do not like the cold — less than 32 ° F — though copolymers are available that will help with the impact strength at these temperatures. Polypropylene profiles do not typically like the sun and the material is flammable.
Polypropylene Profiles Markets
Major Markets for Polypropylene profiles include: food packaging, plastic parts and reusable containers, laboratory equipment, loudspeakers, automotive components.
Recycled Polypropylene Plastic
Keller Products uses recycled Polypropylene plastic in its Polypropylene plastic profiles. Polypropylene carries the Recycle Resin Identification Code 5. Although many municipal recycling programs have yet to adopt programs for recycling Polypropylene, commercial recycling programs are on the rise. Recycled Polypropylene is used in the production of brooms, brushes, trays, rakes, bins and pallets. |
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