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Master Bond adhesives

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Covestro Desmodur® ME-230 + BaytecT20 + Baytec XL B, 67A Polyurethane, MDI-Ester
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes: Characteristics:
Properties:
  • Good abrasion resistance
  • Excellent hydrolysis resistance
  • Low temperature performance
  • High resilience
  • Good microbial resistance
Comments:
  • Suitable for skate board and roller skate wheels
  • Production of seals, gaskets & hydrocyclones
  • Ideal for snow plow blades

Information provided by Covestro

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.08 g/ccDesmodur ME-230
Viscosity 8.0 cPBaytec XL B
 80 cPDesmodur ME-230
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 67ASTM D2240
Tensile Strength at Break 16.3 MPaASTM D412
Elongation at Break 590 %ASTM D412
100% Modulus 0.00207 GPa
@Strain 100 %
ASTM D412
200% Modulus 0.00269 GPa
@Strain 200 %
ASTM D412
300% Modulus 0.00352 GPa
@Strain 300 %
ASTM D412
Resilience 68[%], Bayshore; ASTM D2632
Tear Strength 110 pliSplit; ASTM D1938
 300 pliDie C; ASTM D624
Compression Set 34 %
@Temperature 70.0 °C,
Time 79200 sec
ASTM D395-B
 
Processing PropertiesOriginal ValueComments
Processing Temperature 45.0 - 60.0 °CBaytec XL B
 65.0 °CDesmodur ME-230
 70.0 °CBaytec T20
Mold Temperature 80.0 °C
Pot Life 6.00 - 7.00 min
 
Descriptive Properties
AppearanceliquidDesmodur ME-230
 solidBaytec T20
 solidBaytec XL B
Content0.025Parts by weight of Dabco T-12 per 100 parts of Baytec XL B
 0.5-0.7Parts by weight of Dabco 33LV per 100 parts of Baytec XL B
 100Parts by weight of Desmodur ME-230 prepolymer
 1000 EWNCO, Baytec T20
 22.7-23.3%NCO, Desmodur ME-230
 312.92Parts by weight of Baytec T20
 45 EWNCO, Baytec XL B
 9.68Parts by weight of Baytec XL B

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PCOVEST0482 / 202265

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