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Master Bond adhesives

Covestro DESMODUR® TT194 + BAYTEC® XL 1705, 70 D 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® TT194
 1.17 g/cc1.17 g/cc
 1.21 g/cc1.21 g/ccBAYTEC® XL 1705
Viscosity 400 cP400 cPDESMODUR® TT194
 690 cP690 cPBAYTEC® XL 1705
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 7070DIN 53505
 63
@Temperature 80.0 °C
63
@Temperature 176 °F
DIN 53505
 75
@Temperature -5.00 °C
75
@Temperature 23.0 °F
DIN 53505
Tensile Strength at Break 46.0 MPa6670 psiDIN 53504
Tensile Stress at Strain 24.0 MPa
@Strain 10 %
3480 psi
@Strain 10 %
DIN 53504
Elongation at Break 255 %255 %DIN 53504
100% Modulus 28.7 MPa
@Strain 100 %
4160 psi
@Strain 100 %
DIN 53504
200% Modulus 38.7 MPa
@Strain 200 %
5610 psi
@Strain 200 %
DIN 53504
Resilience 4545[%]; DIN 53512
Tear Strength 112 kN/m639 pliwith nick; ISO 34-1
 178 kN/m1020 pliwithout nick; ISO 34-1
Abrasion 6565[mm3]; ISO 4649
Compression Set 60 %
@Temperature 70.0 °C,
Time 79200 sec
60 %
@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® TT194
Mold Temperature 110 °C230 °F
Pot Life 1.167 min1.167 min
 
Descriptive Properties
AppearanceliquidDESMODUR® TT194
 liquidBAYTEC® XL 1705
Content100Parts by weight of prepolymer
 21.6Parts by weight of BAYTEC® XL 1705
 9.2-9.6%NCO, DESMODUR® TT194

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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PCOVEST0648 / 202431

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