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Rulon Bearings

Covestro DESMODUR® MDQ23165 + BAYTEC® D22-70MF + BAYTEC® XL B (Catalyst SD6-2) 60 A Polyurethane, MDI-Ester
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes:

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.01 g/cc1.01 g/ccBAYTEC® XL B
 1.17 g/cc1.17 g/ccDESMODUR® MDQ23165
 1.17 g/cc1.17 g/ccBAYTEC® D22-70MF
 1.22 g/cc1.22 g/cc
Viscosity 50 cP50 cPBAYTEC® XL B
 650 cP650 cPBAYTEC® D22-70MF
 1000 cP1000 cPDESMODUR® MDQ23165
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 6060DIN 53505
 56
@Temperature 80.0 °C
56
@Temperature 176 °F
DIN 53505
 68
@Temperature -5.00 °C
68
@Temperature 23.0 °F
DIN 53505
Tensile Strength at Break 46.0 MPa6670 psiDIN 53504
Tensile Stress at Strain 0.800 MPa
@Strain 10 %
116 psi
@Strain 10 %
DIN 53504
Elongation at Break 600 %600 %DIN 53504
100% Modulus 2.50 MPa
@Strain 100 %
363 psi
@Strain 100 %
DIN 53504
200% Modulus 3.50 MPa
@Strain 200 %
508 psi
@Strain 200 %
DIN 53504
300% Modulus 5.00 MPa
@Strain 300 %
725 psi
@Strain 300 %
DIN 53504
Resilience 5050[%]; DIN 53512
Tear Strength 33.0 kN/m188 pliwith nick; ISO 34-1
 57.0 kN/m325 pliwithout nick; ISO 34-1
Abrasion 3535[mm3]; ISO 4649
Compression Set 31 %
@Temperature 70.0 °C,
Time 79200 sec
31 %
@Temperature 158 °F,
Time 22.0 hour
ISO 815-1
 
Processing PropertiesMetricEnglishComments
Processing Temperature 35.0 °C95.0 °FDESMODUR® MDQ23165
 35.0 °C95.0 °FBAYTEC® XL B
 70.0 °C158 °FBAYTEC® D22-70MF
Mold Temperature 80.0 °C176 °F
Pot Life 5.00 min5.00 min
 
Descriptive Properties
AppearanceliquidDESMODUR® MDQ23165
 solidBAYTEC® D22-70MF
 solidBAYTEC® XL B
Content100Parts by weight of prepolymer
 16.2-16.6%NCO
 190Parts by weight of BAYTEC® D22-70MF
 8.7Parts by weight of BAYTEC® XL 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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PCOVEST0447 / 202230

Aluminum Castings

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