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Drystar™ 0831 Copolyester

Technical Datasheet | Supplied by Eastman

Drystar™ 0831 Copolyester by Eastman is a high flow polyester grade. It has excellent appearance, transparency and clarity along with good physical properties and easy processing. It has high toughness and chemical resistance. It is incompatible with strong oxidizing agents. Drystar™ 0831 Copolyester is suitable for injection molding applications and finds uses in appliances, consumer electronics, personal care and cosmetics and stationery supplies.

Drystar™ 0831 Copolyester Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.27

(23°C (73°F) and 50% relative humidity)

ASTM D792

Linear Mold Shrinkage, Flow

0.002 - 0.005 mm/mm

(73°F, 3.2-mm, 50% relative humidity)

ASTM D955

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

71 °C

Drying Time

6 hr

Processing (Melt) Temp

249 - 271 °C

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Drystar™ 0831 Copolyester

Drystar™ 0831 Copolyester Properties

Physical Properties

Drystar™ 0831 Copolyester Processing Guidelines

Injection Molding Properties