IsoCoat HRN 7031

IsoCoat HRN 7031 is a 100% solids; VOC-free; plural-component; hybrid polyurethane/ polyurea elastomeric membrane. This seamless system exhibits extraordinary performance characteristics. IsoCoat HRN 7031 is based on a mixture of amine and hydroxyl terminated polyether resins and chain extenders and MDI prepolymers. This membrane achieves an extremely tough; flexible; chemical and abuse resistant finish for a wide range of applications.



  • Architectural Foam
  • Automotive Accent pieces
  • Foam Strengthening
  • Theming
  • Truck beds & steel coating


  • Resistant to many chemicals
  • Seamless and flexible
Product Types



Product Testing

Test PerformedTest Results
Color - ISOLight Yellow  
Color - POLBlack  
Elongation - ASTM D412110 % 
Gel Time4-7 Seconds 
Hardness - ASTM D2240 - Shore D51 Shore D 
Ratio by Volume - ISO:POL1:1  
Ratio by Weight - ISO:POL1.15:1  
Specific Gravity - 74°F, ISO1.145-1.165  
Specific Gravity - 74°F, POL.95-1.15  
Tack Free Time6-14 Seconds 
Tear Strength - ASTM D624, Die C380 pli 
Tensile Strength - ASTM D4122800 psi 
Viscosity - ASTM D-2196 - 74°F, ISO580-650 cps 
Viscosity - ASTM D-2196 - 74°F, POL320-420 cps 

Posted on

December 18, 2020