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Rulon Bearings

Covestro DESMODUR® LU-T70D + BAYTEC® XL 1705 Polyurethane, TDI-PTMEG
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes:

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.09 g/cc1.09 g/ccDESMODUR® LU-T70D
 1.21 g/cc1.21 g/ccBAYTEC® XL 1705
Viscosity 690 cP690 cPBAYTEC® XL 1705
 850 cP850 cPDESMODUR® LU-T70D
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 7070DIN 53505
 62
@Temperature 80.0 °C
62
@Temperature 176 °F
DIN 53505
 73
@Temperature -5.00 °C
73
@Temperature 23.0 °F
DIN 53505
Tensile Strength at Break 52.0 MPa7540 psiDIN 53504
Tensile Stress at Strain 27.4 MPa
@Strain 10 %
3970 psi
@Strain 10 %
DIN 53504
Elongation at Break 274 %274 %DIN 53504
100% Modulus 35.7 MPa
@Strain 100 %
5180 psi
@Strain 100 %
DIN 53504
200% Modulus 43.1 MPa
@Strain 200 %
6250 psi
@Strain 200 %
DIN 53504
Resilience 4040[%]; DIN 53512
Tear Strength 115 kN/m656 pliwith nick; ISO 34-1
 175 kN/m999 pliwithout nick; ISO 34-1
Compression Set 80 %
@Temperature 70.0 °C,
Time 79200 sec
80 %
@Temperature 158 °F,
Time 22.0 hour
ISO 815-1
 
Processing PropertiesMetricEnglishComments
Processing Temperature 30.0 °C86.0 °FBAYTEC® XL 1705
 60.0 °C140 °FDESMODUR® LU-T70D
Mold Temperature 100 °C212 °F
Pot Life 1.583 min1.583 min
 
Descriptive Properties
AppearanceliquidDESMODUR® LU-T70D
 liquidBAYTEC® XL 1705
Content100Parts by weight of prepolymer
 20.6Parts by weight of BAYTEC® XL 1705
 8.3-8.7%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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PCOVEST0376 / 202159

Aluminum Castings

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