Covestro Desmoderm® 43191 Granular Polyurethane

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Covestro Desmoderm® 43191 Granular Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Desmoderm 43191 Granular is a one-component polyester polyether urethane based on an aromatic diisocyanate. Uses: Desmoderm 43191 Granular is used as the flexible component in the polyurethane coagulation process. Desmoderm 43191 Granular is suitable for use in the manufacture of materials for shoe linings, shoe uppers, clothing and bags/luggage. Information provided by Covestro
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Physical Properties	Original Value	Comments

Viscosity	4000 - 20000 cP	Untempered; DIN EN ISO 3219/A.3
	4000 - 40000 cP	Tempered, 5 h, 120°C; DIN EN ISO 3219/A.3

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	30.0 - 40.0 MPa	DIN 53504
	25.0 - 35.0 MPa @Temperature 70.0 °C	after 14 d hydrolysis, 95% RH; DIN 53504
Elongation at Break	650 - 750 %	DIN 53504
100% Modulus	0.00400 GPa @Strain 100 %	DIN 53504

Thermal Properties	Original Value	Comments
Softening Point	190 - 200 °C

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PCOVEST0294 / 202077

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