Covestro Baydur® STR/F-375 Polyurethane Composite SRIM Foam, 20% Glass Filled, MDI-based 2-Component Liquid System

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Covestro Baydur® STR/F-375 Polyurethane Composite SRIM Foam, 20% Glass Filled, MDI-based 2-Component Liquid System (discontinued **)
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Glass Filled
Material Notes:	Contains continuous strand fiberglass mat. 0.125 in. thickness. Information provided by Bayer Corporation, Polyurethanes Division 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	0.510 g/cc	0.0184 lb/in³	ASTM D792
Linear Mold Shrinkage	0.0010 cm/cm	0.0010 in/in	Bayer Test

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	21.0 MPa	3050 psi	ASTM D638/D412
Elongation at Break	1.7 %	1.7 %	ASTM D638/D412
Flexural Yield Strength	39.0 MPa	5660 psi	ASTM D790
Flexural Modulus	1.27 GPa	184 ksi	ASTM D790

Thermal Properties	Metric	English	Comments
CTE, linear	20.0 µm/m-°C @Temperature 20.0 °C	11.1 µin/in-°F @Temperature 68.0 °F	ASTM D696

**
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PB2B16 / 26591

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