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Master Bond adhesives

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RAMPF RAKU® TOOL VA-1900 Polyurethane
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced

Material Notes: 90 shore A polyurethane elastomer

Key Properties:

  • Excellent physical properties after RT cure
  • Free of mercury, MOCA or TDI
  • Excellent green strength for quick demold times
Applications:
  • For hand-batch processing, vacuum assisted processing or meter mix dispensed
Cure 1: 24 hours at 77°F + 1 hour at 150°F
Cure 2: 7 days at 77°F

Information provided by © RAMPF Tooling Solutions GmbH & Co. KG

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Physical PropertiesOriginal ValueComments
Density 1.06 g/ccHardener; ASTM D-792
 1.10 g/ccCure 1; ASTM D-792
 1.10 g/ccCure 2; ASTM D-792
 1.11 g/ccResin; ASTM D-792
Viscosity 900 cPResin; ASTM D-2393
 1100 cPHardener; ASTM D-2393
 1100 cPMix; ASTM D-2393
Linear Mold Shrinkage 0.0020 - 0.0050 in/inCure 1; ASTM D-2566
 0.0020 - 0.0050 in/inCure 2; ASTM D-2566
Storage Temperature 15.0 - 30.0 °C
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 85 - 95Cure 1; ASTM D-2240
 85 - 95Cure 2; ASTM D-2240
Tensile Strength 1200 psiCure 1; ASTM D-638
 1250 psiCure 2; ASTM D-638
Elongation at Break 65 %Cure 2; ASTM D-638
 75 %Cure 1; ASTM D-638
Tear Strength 130 pliCure 2; ASTM D-624
 140 pliCure 1; ASTM D-624
 
Processing PropertiesOriginal ValueComments
Cure Time 30.0 - 60.0 minMix, Demold time
Gel Time 4.00 - 6.00 minMix
 
Descriptive Properties
AspectNeutral TanCure 1
 Neutral TanCure 2
Mix Ratio100:100Resin: Hardener, Weight
 95:100Resin: Hardener, Volume

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 go back to viewing the property data in MatWeb's normal format.

PRAMPF123 / 317723

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