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Desmopan® 481

Technical Datasheet | Supplied by Covestro
Covestro
Desmopan® 481 by Covestro is low compression set, ester based thermoplastic polyurethane (TPU) block copolymer grade with good heat resistance.
  • It is free from plasticizers and exhibits easy release, high elasticity and resistance to oils and greases.
  • It is suitable for processing by injection molding.
  • Desmopan® 481 is used in roller coating, seals, membranes and automotive engineering.
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Desmopan® 481
Technical Datasheet | Supplied by Covestro
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
See 6 related documents by Covestro
Product Type
TPU or TPE-U (Thermoplastic Polyurethane) > TPU, Ester / Ether
Product Status
COMMERCIAL
Geographical Availability
Africa, Central and Eastern Europe, Middle East and Central Asia, South and Central America, Western Europe
Applications/ Recommended for
  • Automotive > External - Seals
  • Engineering / manufacturing
  • Injection molding - thermoplastics
Key Features
  • Compression Set, Low
  • Copolymer, Block
  • Elasticity, High
  • Grease Resistant
  • Heat Resistance, Good
  • Oil Resistant

Desmopan® 481 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Compression Set
17 %
(At 70°C, 24 hr, Method C, 50% RH) 
ISO 815-1
Abrasion Resistance
25 mm3
(At 23°C, 50% RH, Method A) 
ISO 4649
Rebound Resilience
48 %
(At 23°C, 50% RH) 
ISO 4662
READ MORE

Desmopan® 481 Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Melt Temperature
200 - 230 °C
Mold Temperature
20 - 40 °C
Drying Temperature
80 - 110 °C
READ MORE
Last edited March 28, 2024
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