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RE-FLEX® 550D

Technical Datasheet | Supplied by Townsend Chemicals

RE-FLEX 550D by Townsend Chemicals is a colorable, polyether based thermoplastic polyurethane elastomer (TPU-polyether) grade. Possesses good durability, excellent flexibility, easy processability and impact strength at very low temperature. Exhibits good sterilizability, excellent microbial-, tear-, hydrolysis and UV resistance. Is suitable for processing by injection molding and extrusion. RE-FLEX 550D is recommended for livestock ear tags, wire or cable jacketing and footwear parts.

RE-FLEX® 550D Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Compression Set

70 %

(22 hr, 70°C)

ASTM D395-B

Compression Set

27 %

(22 hr, 23°C)

ASTM D395-B

Rebound Resilience

36 %

DIN 53512

Extrusion/Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

100 - 105 °C

Processing Temperature

210 - 220 °C

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RE-FLEX® 550D

RE-FLEX® 550D Properties

Mechanical Properties

RE-FLEX® 550D Processing Guidelines

Extrusion/Injection Molding Properties