Dow BETAMATE™ 7205 Polyurethane Prepolymer

Dow BETAMATE™ 7205 Polyurethane Prepolymer 物性表: Dow BETAMATE™ 7205 Polyurethane Prepolymer物性表及特性介绍,Dow BETAMATE™ 7205 Polyurethane Prepolymer注塑参数详情,如需Dow BETAMATE™ 7205 Polyurethane Prepolymer下载, 可到相关下载区下载
  • 密度 [g/cm3]: 1.15
  • 弯曲强度 [MPa]: 2.3
 
Physical PropertiesMetricEnglishComments
Density 1.15 - 1.25 g/cc0.0415 - 0.0452 lb/in³
Viscosity <= 260000 cP<= 260000 cP(Haake RU 20, 115 OSC, PK 2-1, 0; D= 1s-1)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 40 - 5040 - 50DIN 53 505
Tensile Strength, Ultimate 2.30 - 2.90 MPa334 - 421 psiDIN 54 504
Elongation at Break 450 %450 %DIN 54 504
Adhesive Bond Strength 1.50 - 2.10 MPa218 - 305 psiLap Shear Strength (bond thickness: 2mm); EN 1465
Tear Strength 7.00 - 9.00 kN/m39.9 - 51.4 pliASTM D624 Form B
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 80.0 °C176 °Fcontinuous (Cured condition)
 120 °C248 °Fshort term (Cured condition)
Minimum Service Temperature, Air -40.0 °C-40.0 °Fcontinuous (Cured condition)
Shrinkage 5.0 - 6.0 %5.0 - 6.0 %after 14days at Room temp + 7 days at 70°C; DIN 52 451
 
Processing PropertiesMetricEnglishComments
Cure Time 1440 min24.0 hour23°C / 50% RH

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