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Desmopan® 9855DU

Technical Datasheet | Supplied by Covestro
Desmopan® 9855DU by Covestro is an opaque, ether-based thermoplastic polyurethane (TPU) block copolymer grade. It exhibits very good low-temperature impact strength, very good hydrolysis and microbial resistance. It is suitable for processing injection molding. Desmopan® 9855DU is used in boot shells and technical parts.
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Desmopan® 9855DU
Technical Datasheet | Supplied by Covestro
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
Product Type
TPU or TPE-U (Thermoplastic Polyurethane) > TPU, Ester / Ether
Physical Form
Pellets, Cylindrical
Appearance
Opaque
Product Status
COMMERCIAL
Geographical Availability
Africa, Central and Eastern Europe, Middle East and Central Asia, South and Central America, Western Europe
Applications/ Recommended for
  • Footwear > Boots
  • Injection molding - thermoplastics
Key Features
  • Antimicrobial
  • Copolymer, Block
  • Hydrolysis Resistant
  • Strength, Low Temperature

Desmopan® 9855DU Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Hardness, Shore D
56
(At 23°C, 50% RH, 1 s) 
DIN ISO 7619-1
Tensile Strength, Ultimate
52 MPa
(At 23°C, 50% RH, 200 mm/min) 
DIN 53504
Tensile Strain
424 %
(At Break, 23°C, 50% RH, 200 mm/min) 
DIN 53504

Desmopan® 9855DU Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Melt Temperature
220 - 235 °C
Mold Temperature
40 - 60 °C
Melt Temperature
< 120 °C

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