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Ensinger PEI

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Covestro Bayflex® 110-35 IMR Urethane Elastomer, 15% Wollastonite Filled
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes: Characterization: Bayflex 110-35 IMR system produces a solid urethane elastomer which has a flexural modulus of approximately 33,500 psi* at room temperature.

Properties / Applications: Bayflex 110-35 IMR system produces a solid urethane elastomer which has a flexural modulus of approximately 33,500 psi* at room temperature. This system is used to provide multiple releases of large reaction injection molding (RIM) parts, such as automotive fascias. The system contains internal mold release (IMR) and is used with milled glass fiber or mineral reinforcements. Bayflex 110-35 IMR is a formulated RIM system supplied as two liquid components. Component A is a diphenylmethane diisocyanate (MDI) prepolymer, and Component B is a polyether polyol system. As with any product, use of the Bayflex 110-35 IMR system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.10 g/ccPolyol (Component B)
 1.14 g/ccASTM D792
 1.21 g/ccIsocyanate (Component A)
Viscosity 125 cPPolyol (Component B)
 700 cPIsocyanate (Component A)
Linear Mold Shrinkage 0.0070 cm/cm
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 3200 psiASTM D638/ASTM D412
Elongation at Break 75 %ASTM D638/ASTM D412
Flexural Modulus 689 MPa
@Temperature 65.0 °C
ASTM D412
 1030 MPa
@Temperature 23.0 °C
ASTM D412
 1900 MPa
@Temperature -30.0 °C
ASTM D412
Izod Impact, Notched 3.00 ft-lb/inASTM D624
Tear Strength 600 pliDie C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 28.0 µin/in-°FASTM D696
Flash Point 160 °CPolyol (Component B)
 213 °CIsocyanate (Component A)
 
Processing PropertiesOriginal ValueComments
Mold Temperature 66.0 °C
 
Descriptive Properties
AppearanceLight yellow to yellow liquidIsocyanate (Component A)
 Pale yellow liquidPolyol (Component B)

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 go back to viewing the property data in MatWeb's normal format.

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