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Master Bond adhesives

Covestro Desmodur® 30BV30 + (Baytec® 20BV29 + Baytec® XL9611 + Baytec® XL B) 91A Polyurethane, MDI Ester
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes:

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 0.990 g/cc0.990 g/ccat processing temp, BAYTEC® XL 9611
 1.01 g/cc1.01 g/ccat processing temp, BAYTEC® XL B
 1.16 g/cc1.16 g/ccat processing temp, BAYTEC® 30BV29
 1.21 g/cc1.21 g/ccat processing temp, DESMODUR® 30BV30
Viscosity 30 cP30 cPat processing temp, BAYTEC® XL B
 80 cP80 cPat processing temp, BAYTEC® XL 9611
 650 cP650 cPat processing temp, BAYTEC® 30BV29
 2100 cP2100 cPat processing temp, DESMODUR® 30BV30
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9191DIN 53505
Tensile Strength at Break 27.6 MPa4000 psiDIN 53504
100% Modulus 5.60 MPa
@Strain 100 %
812 psi
@Strain 100 %
DIN 53504
300% Modulus 9.80 MPa
@Strain 300 %
1420 psi
@Strain 300 %
DIN 53504
Resilience 4545[%]
Tear Strength 55.4 kN/m316 pliISO 34-1
Abrasion 4545[mm3]; ISO 4649
Compression Set 46 %
@Temperature 70.0 °C,
Time 86400 sec
46 %
@Temperature 158 °F,
Time 24.0 hour
ISO 815-1
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 30.0 °C68.0 - 86.0 °FDESMODUR® 30BV30
 30.0 °C86.0 °FBAYTEC® XL 9611
 45.0 °C113 °FBAYTEC® XL B
 70.0 °C158 °FBAYTEC® 30BV29
Mold Temperature 25.0 °C77.0 °F
 
Descriptive Properties
AppearanceliquidDESMODUR® 30BV30
 solidBAYTEC® 30BV29
 solidBAYTEC® XL 9611
 solidBAYTEC® XL B
Content100Baytec® 20BV29
 11Baytec® XL9611
 3.6Baytec® XL B
 91.6Desmodur® 30BV30

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PCOVEST0311 / 202094

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