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Which everyday products are made from polypropylene?
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major industrial polymers
Figure 1: The linear form of polyethylene, known as high-density polyethylene (HDPE).
Polypropylene is a versatile synthetic resin valued for its toughness, heat resistance, and fatigue resistance. Because it can withstand repeated flexing without breaking, it is frequently used to create containers with "self-hinged" covers.12
Everyday products made from polypropylene include:
- Household Containers and Bottles: Blow-molded bottles for shampoos, foods, and other liquids, as well as dishwasher-safe food containers.12
- Home Furnishings: Fibres used in upholstery and indoor-outdoor carpets.12
- Consumer Goods: Toys, outdoor furniture, and appliance housings.12
- Industrial and Medical Items: Automobile battery casings, rope, cordage, and disposable nonwoven fabrics for diapers and medical applications.12
In the recycling system, polypropylene is identified by the code #5. While it is highly useful for these applications, it is generally not used for apparel fibres due to its low moisture absorption and limited ability to take dyes.12