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Eastar™ Copolyester BR001

Technical Datasheet | Supplied by Eastman
Eastar™ Copolyester BR001 by Eastman is a polyester grade. It has excellent appearance and is nearly water-clear. It maintains its physical properties when exposed to aromatic oils. It has excellent processability, colorability, strength, stiffness, feel for toothbrushes and bristle retention and offers excellent chemical resistance. It is processed by injection molding and finds uses in plastics for hygiene feminine products, oral hygiene and toothbrushes. Eastar™ Copolyester BR001 complies with the United States Food and Drug Administration (FDA) regulations/21 CFR 177.1240(a) and is GREENGUARD INDOOR AIR QUALITY CERTIFIED®.
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Product Type
Polyester
Product Status
COMMERCIAL
Applications/ Recommended for
  • Healthcare / Medical > Medical goods
  • Healthcare / Medical > Toothbrushes
  • Injection molding - thermoplastics

Eastar™ Copolyester BR001 Properties

Optical Properties

Value & Unit
Test Condition
Test Method
Haze
0.3 %
(23°C (73°F) and 50% relative humidity) 
ASTM D1003
Transmission, Visible
89 %
(23°C (73°F) and 50% relative humidity) 
ASTM D1003
Transmission, Visible
91 %
(23°C (73°F) and 50% relative humidity) 
ASTM D1003

Eastar™ Copolyester BR001 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
70 °C
Drying Time
3 hr
Processing (Melt) Temp
230 - 280 °C
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