Plastics basics

Plastics basics

Industry: Plastics

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Plastics basics

High density polyethylene (HDPE)

Plastics; Plastics basics

HDPE refers to a plastic used to make bottles for milk, juice, water and laundry products. Unpigmented HDPE bottles are translucent and have good barrier properties and stiffness. They are well ...

When a host of different plastics, such as polyethylene, polypropylene, polyester, polystyrene, polyvinyl chloride, polyvinylidene dichloride (Saran), nylon, etc., provide containment, protection, ...

Plastics recovery facility (PRF)

Plastics; Plastics basics

A facility that receives recyclable plastics and then separates, removes contamination, sorts by resin type and color, condenses, and stores the segregated plastic types. Sorted plastic bottles and ...

Polyethylene terephthalate (pet or pete)

Plastics; Plastics basics

PET is clear, tough and has good gas and moisture barrier properties. Some of this plastic is used in PET soft drink bottles and other blow moulded containers, although sheet applications are ...

Polymer

Plastics; Plastics basics

A high-molecular-weight organic compound, natural or synthetic, whose structure can be represented by a repeated small unit, the monomer (e.g., polyethylene, rubber, cellulose). Synthetic polymers ...

Polypropylene (pp)

Plastics; Plastics basics

Polypropylene has excellent chemical resistance, is strong and has the lowest density of the plastics used in packaging. It has a high melting point, making it ideal for hot-fill liquids. In film ...

Polystyrene (ps)

Plastics; Plastics basics

Polystyrene is a very versatile plastic that can be rigid or foamed. General purpose polystyrene is clear, hard and brittle. It has a relatively low melting point. Typical applications include ...