IsoCast RCR 754

IsoCast RCR 754 is a faster version of IsoCast RCR 753. It is a two-component; polyurethane casting resin system with low viscosity; fast gel and demold times. The low viscosity allows for ease of mixing; penetration of porous substrates; and reproduction of fine detail. This casting resin gives a hardness of 70D; with high strength properties.



  • Casting Resin
  • Climbing Holds


  • Convenient 1:1 mixing ratio
  • Fast Curing
  • Free of solvents
  • Machine casting
Product Types

Casting Resin


Product Testing

Test PerformedTest Results
Color - ISOLight Yellow  
Color - POLTurbid  
Demold Time10-12 Minutes 
Hardness - ASTM D2240 - Shore D68-74 Shore D 
Pot Life - 100g45 Seconds 
Ratio by Volume - ISO:POL1:1