Simpact 85A

SKU: 799898

Size: Pint Kit


Unit Size Net Weight
Pint Kit 1.85 lb
Gallon Kit 14.8 lb
Five Gallon Kit 74 lb



Simpact 85 is a low odor, fast-setting Shore 85A urethane that offers very high tear strength, impact resistance and wear resistance. Simpact 85 is phthalate free, mercury free and MOCA free. Mixed 85 A to 100 B by weight, Simpact 85 pours 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 85 can be colored with SO-Strong or Ignite colorants. Simpact 85 is suitable for making impact resistant props, prototypes and display pieces.

IMPORTANT: Simpact 85A must be allowed to cure for at least 48 hours at room temperature in order to attain full physical properties.
Technical Properties
Mix Ratio by Weight 84A:100B
Mix Ratio by Volume N/A
Pot Life 4 minutes
Tack Free Time 2 hours
Cure Time 48 hours
Color Off White
Shore Hardness 85A
Mixed Viscosity 1,100 cps
Shrinkage < .007 in./in.
Specific Volume 25.4 cu. in./lb.
Specific Gravity 1.09g/cc
Tensile Strength 1,573 psi
100% Modulus 1,213 psi
Elongation @ Break 164%


Curing SIMPACT 85A Faster With Heat - Post curing after 24 hours at 175 deg F/80 deg C for 6 hours will help castings reach ultimate physical properties sooner.
Curing SIMPACT 85A Faster With Kick-iT! Accelerator - Adding a small amount of Kick-iT! Accelerator will accelerate the cure of SIMPACT 85A. One drop per 100 grams of Part "B" will reduce the handling time to 30 minutes. Pot-life is reduced to 90 seconds.
AVOID FREEZING Simpact 85A becomes unusable if the material freezes. It can be made usable again by warming the material to 100F (38C) for 8 hours, letting it cool to room temperature and pre-mixing the Part-B thoroughly before dispensing.
Special Order Items
The products listed below are currently SPECIAL ORDER items and require pre order.
Lead times may vary - For more information please contact our staff.

799900 - Simpact 85A - Five Gallon Kit
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