IsoPour 40W401 is a non-HCFC; slow-reacting; low-exotherm; two-component; hand- or machine-mix; rigid; polyurethane foam system. Its inherent slow initiation time makes it acceptable for hand mixing and pouring into molds or cavities.
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Technical Data SheetProduct Types
Foam
Product Testing
| Test Performed | Test Results |
| Color - ISO | Dark Brown |
| Color - POL | Light Brown |
| Compressive Strength - ASTM D695 - Parallel to Rise | 51 psi |
| Compressive Strength - ASTM D695 - Perpendicular to Rise | 45 psi |
| Cream Time | 37-45 Seconds |
| Foam Tensile - ASTM D1623 | 37 psi |
| Free Rise Density | 3.8-4.2 pcf |
| Gel Time | 130-160 Seconds |
| Ratio by Volume - ISO:POL | 1:1 |
| Ratio by Weight - ISO:POL | 57.5:50 |
| Rise Time | 190-220 Seconds |
| Sandwich Shear - ASTM C273 | 80 psi |
| Tack Free Time | 230-270 Seconds |
| Water Absorption - ASTM D2842 | 9.8 % |