IsoSpray 20W05

IsoSpray 20W05 is a low viscosity, two- component, rigid polyurethane spray-foam system designed for various insulating applications. It was specifically designed for insulation of whirlpool spas and bathtubs.


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Technical Data Sheet


  • Bathware
  • Spas


  • Fast reacting
Product Types



Product Testing

Test PerformedTest Results
Closed Cell Content - ASTM D622675.1 % 
Color - ISODark Brown  
Color - POLYellow-Light Brown  
Compressive Strength - ASTM D695 - Parallel to Rise25 psi 
Compressive Strength - ASTM D695 - Perpendicular to Rise28 psi 
Cream Time3-5 Seconds 
Free Rise Density1.8-2.2 pcf 
Gel Time12-22 Seconds 
Ratio by Volume - ISO:POL1.0:1.0  
Ratio by Weight - ISO:POL1.1:1.0  
Rise Time28-40 Seconds 
Tack Free Time18-30 Seconds