Covestro Baygal® 90 IK 20 Polyurethane

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Covestro Baygal® 90 IK 20 Polyurethane (discontinued **)
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Liquid, Quartz Filled
Material Notes:	Uses: Suitable for the production of parts: for example: insulators, bushing insulators, components of switchgear cabinets. Information provided by Bayer. As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Metric	English	Comments

Density	1.80 g/cc	0.0650 lb/in³
Water Absorption at Saturation	0.050 %	0.050 %
	0.050 %	0.050 %

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	88.0 MPa	12800 psi
Elongation at Break	1.3 %	1.3 %
Tensile Modulus	9.10 GPa	1320 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm
Surface Resistance	>= 1.00e+15 ohm	>= 1.00e+15 ohm
Dielectric Constant	4.3 @Frequency 1e+6 Hz	4.3 @Frequency 1e+6 Hz
	4.5 @Frequency 100 Hz	4.5 @Frequency 100 Hz
Dielectric Strength	32.0 kV/mm	813 kV/in
Dissipation Factor	0.013 @Frequency 100 Hz	0.013 @Frequency 100 Hz
	0.015 @Frequency 1e+6 Hz	0.015 @Frequency 1e+6 Hz
Comparative Tracking Index	600 V	600 V

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	34.0 µm/m-°C @Temperature 20.0 °C	18.9 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	34.0 µm/m-°C @Temperature 20.0 °C	18.9 µin/in-°F @Temperature 68.0 °F
Glass Transition Temp, Tg	140 °C	284 °F
Oxygen Index	35 %	35 %

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PBA070 / 26682

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