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(PET) Polyethylene Terephthalate PET is clear, tough, and has good gas and moisture barrier properties. This resin is commonly used in beverage bottles and consumer product containers.
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(HDPE) High Density Polyethylene HDPE packaging generally is translucent, has good barrier properties and stiffness, and is well suited to products with a short shelf life such as milk.
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(LDPE) Low Density Polyethylene
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(PP) Polypropylene PP has good chemical resistance, is strong, and has a high melting point making it good for hot-fill liquids.
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