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Rulon Bearings

Covestro DESMODUR® TT156 + BAYTEC® XL 1705, 91 A Polyurethane, TDI- PTMEG
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes:

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.02 g/cc1.02 g/ccDESMODUR® TT156
 1.10 g/cc1.10 g/cc
 1.21 g/cc1.21 g/ccBAYTEC® XL 1705
Viscosity 550 cP550 cPDESMODUR® TT156
 690 cP690 cPBAYTEC® XL 1705
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9191DIN 53505
 88
@Temperature 80.0 °C
88
@Temperature 176 °F
DIN 53505
 93
@Temperature -5.00 °C
93
@Temperature 23.0 °F
DIN 53505
Tensile Strength at Break 36.0 MPa5220 psiDIN 53504
Tensile Stress at Strain 3.60 MPa
@Strain 10 %
522 psi
@Strain 10 %
DIN 53504
Elongation at Break 470 %470 %DIN 53504
100% Modulus 9.60 MPa
@Strain 100 %
1390 psi
@Strain 100 %
DIN 53504
200% Modulus 12.7 MPa
@Strain 200 %
1840 psi
@Strain 200 %
DIN 53504
300% Modulus 17.0 MPa
@Strain 300 %
2470 psi
@Strain 300 %
DIN 53504
Resilience 5050[%]; DIN 53512
Tear Strength 52.0 kN/m297 pliwith nick; ISO 34-1
 124 kN/m708 pliwithout nick; ISO 34-1
Abrasion 4040[mm3]; ISO 4649
Compression Set 35 %
@Temperature 70.0 °C,
Time 79200 sec
35 %
@Temperature 158 °F,
Time 22.0 hour
ISO 815-1
 
Processing PropertiesMetricEnglishComments
Processing Temperature 30.0 °C86.0 °FBAYTEC® XL 1705
 80.0 °C176 °FDESMODUR® TT156
Mold Temperature 95.0 °C203 °F
Pot Life 5.00 min5.00 min
 
Descriptive Properties
AppearanceliquidDESMODUR® TT156
 liquidBAYTEC® XL 1705
Content100Parts by weight of prepolymer
 13.5Parts by weight of BAYTEC® XL 1705
 5.4-5.8%NCO, DESMODUR® TT156

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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PCOVEST0645 / 202428

Aluminum Castings

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