Covestro Baydur® STR/C-405 IMR Polyurethane Composite SRIM Foam, 45% Glass Filled, MDI-based 2-Component Liquid System

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Covestro Baydur® STR/C-405 IMR Polyurethane Composite SRIM Foam, 45% 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. 0.118 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	1.59 g/cc	0.0574 lb/in³	ASTM D792
Linear Mold Shrinkage	0.020 cm/cm	0.020 in/in	Bayer Test

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	103 MPa	14900 psi	ASTM D638/D412
Flexural Yield Strength	178 MPa	25800 psi	ASTM D790
Flexural Modulus	8.30 GPa	1200 ksi	ASTM D790

Thermal Properties	Metric	English	Comments
CTE, linear	26.0 µm/m-°C @Temperature 20.0 °C	14.4 µin/in-°F @Temperature 68.0 °F	ASTM D696
Deflection Temperature at 1.8 MPa (264 psi)	212 °C	414 °F	ASTM D648

**
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PB2B13 / 26588

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