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Elmet Technologies

Covestro DESMODUR® LU-T90 + MOCA Polyurethane, TDI-PTMEG
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/ccDESMODUR® LU-T90
 1.25 g/cc1.25 g/ccMOCA
Viscosity 900 cP900 cP
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9090DIN 53505
 90
@Temperature 80.0 °C
90
@Temperature 176 °F
DIN 53505
 92
@Temperature -5.00 °C
92
@Temperature 23.0 °F
DIN 53505
Tensile Strength at Break 35.0 MPa5080 psiDIN 53504
Tensile Stress at Strain 3.90 MPa
@Strain 10 %
566 psi
@Strain 10 %
DIN 53504
Elongation at Break 480 %480 %DIN 53504
100% Modulus 8.20 MPa
@Strain 100 %
1190 psi
@Strain 100 %
DIN 53504
200% Modulus 10.5 MPa
@Strain 200 %
1520 psi
@Strain 200 %
DIN 53504
300% Modulus 13.5 MPa
@Strain 300 %
1960 psi
@Strain 300 %
DIN 53504
Resilience 5050[%]; DIN 53512
Tear Strength 31.0 kN/m177 pliwith nick; ISO 34-1
 103 kN/m588 pliwithout nick; ISO 34-1
Abrasion 3535[mm3]; ISO 4649
Compression Set 27 %
@Temperature 70.0 °C,
Time 79200 sec
27 %
@Temperature 158 °F,
Time 22.0 hour
ISO 815-1
 
Processing PropertiesMetricEnglishComments
Processing Temperature 70.0 °C158 °FDESMODUR® LU-T90
 120 °C248 °FMOCA
Mold Temperature 100 °C212 °F
Pot Life 14.0 min14.0 min
 
Descriptive Properties
AppearanceliquidDESMODUR® LU-T90
 solidMOCA
Content100Parts by weight of prepolymer
 12.7Parts by weight of MOCA
 4-4.4%NCO

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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PCOVEST0382 / 202165

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