Covestro Desmopan® 487 Thermoplastic Polyurethane

Category	Polymer , Thermoplastic , Polyurethane, TP , Thermoplastic Polyurethane (TPUR), Polyester Grade
Manufacturer	Covestro
Trade Name	Desmopan®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Covestro Desmopan® 487 Thermoplastic Polyurethane.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Desmopan 487 is a TPU on the basis of a special ester.Applications: Seals, gear wheels, shoe heels, engineering components in the automotive sector.Information provided by Bayer.As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

Physical Properties	Metric	English	Comments
Density	1.21 g/cc	0.0437 lb/in³
Water Absorption	1.1 %	1.1 %	Saturation in water
Moisture Absorption at Equilibrium	0.15 %	0.15 %	Equilibrium at 50% RH
Water Absorption at Saturation	1.1 %	1.1 %

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	86	86	DIN 53505
Hardness, Shore D	34	34	DIN 53505
Elongation at Break	>= 50 %	>= 50 %	Nominal
Tensile Creep Modulus, 1 hour	28.0 MPa	4060 psi
Tensile Creep Modulus, 1000 hours	22.0 MPa	3190 psi
Compression Set	25 %	25 %	70 hr; 22°C
	40 % @Temperature 70.0 °C	40 % @Temperature 158 °F	24 hr

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	184 µm/m-°C @Temperature 20.0 °C	102 µin/in-°F @Temperature 68.0 °F

Electrical Properties	Metric	English
Electrical Resistivity	4.90e+10 ohm-cm	4.90e+10 ohm-cm
Surface Resistance	2.90e+10 ohm	2.90e+10 ohm
Dielectric Constant	6.4 @Frequency 1e+6 Hz	6.4 @Frequency 1e+6 Hz
	6.7 @Frequency 100 Hz	6.7 @Frequency 100 Hz
Dielectric Strength	18.8 kV/mm	478 kV/in
Dissipation Factor	0.0111 @Frequency 100 Hz	0.0111 @Frequency 100 Hz
	0.025 @Frequency 1e+6 Hz	0.025 @Frequency 1e+6 Hz

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