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Polymers

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Polymers

uses of polymers
- Packaging materials must be strong, light and flexible
- waterproofing for tent fabrics must repel water.
- Dental polymers for crowns and dentures are designed to harden when exposed to ultraviolet light
- Wound dressings must breathe and hydrogels must remain moisgture for rapid healing.
Reasons for recycling
- Most polymers are produced from non-renewable crude oil. They are not biodegradable. They take up space in waste dumps and landfill sites.