21 Facts About Polypropylene

Polypropylene, known as polypropene, is a thermoplastic polymer used in a wide variety of applications.

Polypropylenebelongs to the group of polyolefins and is partially crystalline and non-polar.

Polypropylene is the second-most widely produced commodity plastic .

Polypropylene is in many aspects similar to polyethylene, especially in solution behaviour and electrical properties.

Polypropylene is normally tough and flexible, especially when copolymerized with ethylene.

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Polypropylene can exist in various crystalline modifications which differ by the molecular arrangement of the polymer chains.

Polypropylene random crystallinity temperature, used for plastic pipework, is a new form of this plastic.

Polypropylene has been reported to degrade while in the human body as implantable mesh devices.

Polypropylene can be made into disposable bottles to contain liquid, powdered, or similar consumer products, although HDPE and polyethylene terephthalate are commonly used to make bottles.

Polypropylene is widely used in ropes, distinctive because they are light enough to float in water.

Polypropylene is used as an alternative to polyvinyl chloride as insulation for electrical cables for LSZH cable in low-ventilation environments, primarily tunnels.

Polypropylene is used in particular roofing membranes as the waterproofing top layer of single-ply systems as opposed to modified-bit systems.

Polypropylene is most commonly used for plastic moldings, wherein it is injected into a mold while molten, forming complex shapes at relatively low cost and high volume; examples include bottle tops, bottles, and fittings.

Polypropylene sheets are a popular choice for trading card collectors; these come with pockets for the cards to be inserted and are used to protect their condition and are meant to be stored in a binder.

Polypropylene is used in the manufacture of loudspeaker drive units.

Polypropylene fibres are used as a concrete additive to increase strength and reduce cracking and spalling.

Polypropylene fibres are used in drywall joint compound for reinforcement.

Polypropylene is used in warm-weather clothing, in which it transports sweat away from the skin.

Polypropylene undergarments are known for retaining body odors which are then difficult to remove.

Polypropylene has been used in hernia and pelvic organ prolapse repair operations to protect the body from new hernias in the same location.

Polypropylene is recyclable and has the number "5" as its resin identification code:.