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Specialty Compounds RTP Company

Covestro Baydur® GS-772 Polyurethane Solid RIM, MDI-based 2-Component Liquid System  (discontinued **)
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Solid RIM

Material Notes: 0.25 in. thickness. RIM = Reaction Injection Molding

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.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.13 g/cc0.0408 lb/in³ASTM D792
Linear Mold Shrinkage 0.010 - 0.012 cm/cm0.010 - 0.012 in/inBayer Test
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 7676ASTM D2240
Tensile Strength, Ultimate 39.0 MPa5660 psiASTM D638/D412
Elongation at Break 10 %10 %ASTM D638/D412
Flexural Yield Strength 60.0 MPa8700 psiASTM D790
Flexural Modulus 1.40 GPa203 ksiASTM D790
Compressive Yield Strength 35.0 MPa5080 psiASTM D395
Izod Impact, Notched 0.500 J/cm0.937 ft-lb/inASTM D256
Izod Impact, Unnotched 3.70 J/cm6.93 ft-lb/inASTM D256
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 2.30e+14 ohm-cm2.30e+14 ohm-cmASTM D257
Surface Resistance 3.10e+15 ohm3.10e+15 ohmASTM D257
Dielectric Constant 3.44
@Frequency 1e+6 Hz
3.44
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 11.5 kV/mm292 kV/inASTM D149
 
Thermal PropertiesMetricEnglishComments
CTE, linear 101 µm/m-°C
@Temperature 20.0 °C
56.1 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 99.0 °C210 °FASTM D648
Flammability, UL94  V-0
@Thickness 6.35 mm
V-0
@Thickness 0.250 in
 V-0
@Thickness 6.35 mm
V-0
@Thickness 0.250 in

**
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Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PB2B09 / 26584

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