IsoCast RCR 722

IsoCast RCR 722 is used to make castings from rigid and flexible molds. Some of the most common uses of IsoCast RCR 722 are point-of-purchase displays; rapid prototypes; special effects; taxidermy; and sculpture reproductions. However; IsoCast RCR 722 can be used for any application that requires lightweight; hard plastic.
IsoCast RCR 722 is a two-part polyurethane casting system. IsoCast RCR 722 is mixed one-to-one by volume and cures at room temperature. IsoCast RCR 722 begins to gel in approximately 2 minutes; and cures to an amber color.



  • Point of Purchase Displays
  • Rapid Prototypes
  • Sculpture Reproductions
  • Special Effects
  • Taxidermy


  • Convenient mixing ratio (s)
Product Types

Casting Resin


Product Testing

Test PerformedTest Results
Color - ISOamber  
Color - POLclearish  
Cure Time24 Hours 
Demold Time1 Hour 
Elongation - ASTM D4128 % 
Hardness - ASTM D2240 - Shore D70-75 Shore D 
Mix Time - by Hand30 Seconds 
Pot Life - 100g1 Minute 
Ratio by Volume - ISO:POL1:1  
Ratio by Weight - ISO:POL1.08:1  
Rebound, Bayshore % - ASTM D263246 % 
Split Tear - ASTM D470131 pli 
Tear Strength - ASTM D624, Die C299 pli 
Tensile Strength - ASTM D6383378 psi