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Specialty Compounds RTP Company

Covestro Bayflex® 110-50 Urethane Elastomer
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes: Characterization: Bayflex 110-50 system produces a solid urethane elastomer which has a flexural modulus of approximately 50,000 psi* at room temperature.

Properties / Applications: The Bayflex 110-50 system produces a solid urethane elastomer which has a flexural modulus of approximately 50,000 psi* at room temperature. This system can be used with or without milled glass fiber or mineral reinforcements. The Bayflex 110-50 system is used in applications requiring excellent impact properties such as automotive fascias, agricultural and construction equipment, specialty vehicles and recreational equipment. The Bayflex 110-50 system is a formulated elastomeric reaction injection molding (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 110-50 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.03 g/cc1.03 g/ccPolyol (Component B)
 1.04 g/cc1.04 g/ccASTM D792
 1.21 g/cc1.21 g/ccIsocyanate (Component A)
Water Absorption 2.8 %
@Time 864000 sec
2.8 %
@Time 240 hour
Viscosity 700 cP700 cPIsocyanate (Component A)
 1300 cP1300 cPPolyol (Component B)
Linear Mold Shrinkage 0.013 cm/cm0.013 in/in
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 24.1 MPa3500 psiASTM D412
Elongation at Break 250 %250 %ASTM D412
Flexural Modulus  0.262 GPa
@Temperature 65.0 °C
38.0 ksi
@Temperature 149 °F
ASTM D412
 0.359 GPa
@Temperature 23.0 °C
52.1 ksi
@Temperature 73.4 °F
ASTM D412
 0.793 GPa
@Temperature -30.0 °C
115 ksi
@Temperature -22.0 °F
ASTM D412
Izod Impact, Notched 5.87 J/cm11.0 ft-lb/inASTM D624
Tear Strength 78.9 kN/m450 pliDie C; ASTM D624
 
Thermal PropertiesMetricEnglishComments
CTE, linear <= 75.6 µm/m-°C<= 42.0 µin/in-°FASTM D696
Flammability, UL94 HB
@Thickness 3.18 mm
HB
@Thickness 0.125 in
Flash Point 174 °C345 °FPolyol (Component B)
 213 °C415 °FIsocyanate (Component A)
 
Processing PropertiesMetricEnglishComments
Mold Temperature 60.0 - 70.0 °C140 - 158 °F
 
Descriptive Properties
AppearanceDark amber viscous liquidPolyol (Component B)
 Light yellow to yellow liquidIsocyanate (Component A)

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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