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Master Bond adhesives

Covestro DESMODUR® TT129 + BAYTEC® XL 2190, 85 A Polyurethane, TDI- PTMEG
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes:

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 0.650 g/cc0.650 g/ccBAYTEC® XL 2190
 1.01 g/cc1.01 g/ccDESMODUR® TT129
 1.05 g/cc1.05 g/cc
Viscosity 1800 cP1800 cPDESMODUR® TT129
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 8585DIN 53505
 85
@Temperature 80.0 °C
85
@Temperature 176 °F
DIN 53505
 86
@Temperature -5.00 °C
86
@Temperature 23.0 °F
DIN 53505
Tensile Strength at Break 29.0 MPa4210 psiDIN 53504
Tensile Stress at Strain 2.40 MPa
@Strain 10 %
348 psi
@Strain 10 %
DIN 53504
Elongation at Break 550 %550 %DIN 53504
100% Modulus 5.70 MPa
@Strain 100 %
827 psi
@Strain 100 %
DIN 53504
200% Modulus 7.40 MPa
@Strain 200 %
1070 psi
@Strain 200 %
DIN 53504
300% Modulus 9.50 MPa
@Strain 300 %
1380 psi
@Strain 300 %
DIN 53504
Resilience 5555[%]; DIN 53512
Tear Strength 32.0 kN/m183 pliwith nick; ISO 34-1
 88.0 kN/m502 pliwithout nick; ISO 34-1
Abrasion 1515[mm3]; ISO 4649
Compression Set 25 %
@Temperature 70.0 °C,
Time 79200 sec
25 %
@Temperature 158 °F,
Time 22.0 hour
ISO 815-1
 
Processing PropertiesMetricEnglishComments
Processing Temperature 80.0 °C176 °FDESMODUR® TT129
 110 °C230 °FBAYTEC® XL 2190
Mold Temperature 90.0 °C194 °F
Pot Life 4.50 min4.50 min
 
Descriptive Properties
AppearancesolidDESMODUR® TT129
 solidBAYTEC® XL 2190
Content100Parts by weight of prepolymer
 12.5Parts by weight of BAYTEC® XL 2190
 2.7-3.1%NCO, DESMODUR® TT129

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PCOVEST0658 / 202441

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