In addition to being lightweight, sturdy, and recyclable, PET is favored for numerous applications because of its safety. The material is food- and beverage-safe, resistant to attacks by microorganisms, and chemical-resistant. In addition, it exhibits low moisture absorption and excellent wear characteristics, making it safe to contain and transport food and beverages.

PET also has low gas permeability, excellent electrical insulation, a broad range of use temperatures, and excellent resistance to alcohols, oils, greases, and diluted acids. What's more, it doesn't break or fracture, making it a favorable glass replacement for many applications.

Some of PET's other physical and mechanical properties include:

Tensile strength: 11,500 psi

Flexural modulus of elasticity: 400,000 psi

Tensile elongation: 70%

Shore hardness: D 87

However, PET does have some limitations. For some applications, polybutylene terephthalate (PBT) might be a better choice because it's stronger and more moldable than PET. PET is also adversely affected by boiling water, alkalis, and strong bases.

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PET EL (300 Gauge) Virgin Polyethylene Terephthalate Resin Material