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POLYESTERS
- These materials are typically prepared by the condensation of alkylene
glycols and phthalic acid
or a combination of ethylene
glycol and terephthalic acid. These polymers are common in film and
fiber form. A number of structure variations are possible in the form of
copolymers such as polyethyleneterephthalate (PETG).
Thermoplastic polyesters include PET, recycled PET. and alloys.
SEE ALSO
CHARACTERISTICS
- High heat resistance
- Tough and rigid resins
- Excellent dimensional stability
- Formed by thermoplastic methods
- Attacked by acids and bases
- Limited solvent resistance
- High gloss
TYPICAL APPLICATIONS
- soft drink bottles
- displays
- clothing
- wire insulation
- Film and fiber
- food and medical trays
- and sail boat sails
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Specific
Gravity
-
Heat Distortion
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