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Hytrel® DYM350BK

Technical Datasheet | Supplied by Celanese
Hytrel® DYM350BK by Celanese is a plasticizer-free thermoplastic polyester elastomer and polybutylene terephthalate blend. It is light stabilized and contains fine particle size carbon black. Possesses good melt stability, excellent toughness, resilience, high resistance to creep, impact and flex fatigue, flexibility at low temperatures and good retention of properties at elevated temperatures. Provides resistance to industrial chemicals, oils and solvents. Is suitable for processing by injection molding. Mostly used in air bags deployment doors. Hytrel® DYM350BK is applicable for automotive, fluid power, electrical/electronic, consumer goods, appliance and power tool, sporting goods, furniture, industrial and off-road transportation/equipment industry.
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Product Type
Polyester TPE > COPE Alloy
Physical Form
Pellets
Product Status
COMMERCIAL

Hytrel® DYM350BK Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Nominal Tensile Strain at Break
600 %
(At 23°C) 
ISO 527-1/-2
Yield strain
43 %
ISO 527-1/-2
Yield stress
15 MPa
ISO 527-1/-2

Hytrel® DYM350BK Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
40 - 55 °C
Drying Temperature
100 °C
Melt Temperature
240 - 250 °C
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