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Master Bond adhesives

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Reynolds Simpact® 85A Tough, Fast Setting Urethanes
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced

Material Notes: Product Overview: Simpact™ 60A and 85A urethanes are low odor, fast-setting urethane elastomers which offers very high tear strength, impact resistance and wear resistance. Simpact™ urethanes are phthalate free, mercury free and MOCA free. Simpact™ urethanes pour easily. Working time is 4 minutes, handling time is 2 hours and full cure time is 48 hours at room temperature. Cured rubber has exceptional performance characteristics and dimensional stability. Simpact™ urethanes can be colored with SO-Strong™, UVO™ or Ignite™ colorants. Simpact™ urethanes are suitable for making impact resistant props, prototypes and display pieces.

Information provided by Reynolds Advanced Materials

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.09 g/ccASTM D-1475
Viscosity 1100 cPMixed; ASTM D-2393
Linear Mold Shrinkage <= 0.0070 in/inASTM D-2566
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 85ASTM D-2240
Tensile Strength, Ultimate 1573 psiASTM D-638
Elongation at Break 164 %ASTM D-412
100% Modulus 1213 psiASTM D-412
 
Processing PropertiesOriginal ValueComments
Cure Time 2.00 hourHandling Time
Pot Life 4.00 minASTM D-2471
 
Descriptive Properties
ColorOff-White
Mix Ratio85A:100Bby weight
Specific Volume25.4[cu. in./lb.]

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