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Covestro Baydur® 40 Polyurethane

Category	Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane, Liquid
Manufacturer	Covestro
Trade Name	Baydur®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Covestro Baydur® 40 Polyurethane.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Rigid integral skin polyurethane foam for lightweight moldings. Sandwich structure gives a high stiffness-to-weight ratio.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	0.400 g/cc	0.0145 lb/in³
Water Absorption	0.30 %	0.30 %	Saturation in water
Water Absorption at Saturation	0.30 %	0.30 %

Mechanical Properties	Metric	English
Tensile Strength, Ultimate	11.0 MPa	1600 psi
Elongation at Break	6.0 %	6.0 %
Tensile Modulus	0.440 GPa	63.8 ksi
Charpy Impact Unnotched	0.900 J/cm²	4.28 ft-lb/in²

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	80.0 µm/m-°C @Temperature 20.0 °C	44.4 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	80.0 µm/m-°C @Temperature 20.0 °C	44.4 µin/in-°F @Temperature 68.0 °F

Electrical Properties	Metric	English
Electrical Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm
Surface Resistance	2.00e+14 ohm	2.00e+14 ohm
Dielectric Strength	18.0 kV/mm	457 kV/in
Comparative Tracking Index	600 V	600 V

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