IsoMold URP 4106 is an all-purpose polyurethane system used to make molds of detailed masters that contain shallow undercuts. Some of the most common uses of IsoMold URP 4106 are to make molds for point-of-purchase displays; rapid prototypes; special effects; taxidermy; and sculpture reproductions. IsoMold URP 4106 is a two-part polyurethane molding system. IsoMold URP 4106 is mixed one-to-one by volume and cures at room temperature. IsoMold URP 4106 cures to a medium hardness (Shore A33 ± 2); blue rubber.
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Technical Data SheetProduct Types
Elastomer
Product Testing
| Test Performed | Test Results |
| Color - POL | Blue |
| Cure Time | 24 Hours |
| Demold Time | 24 Hours |
| Elongation - ASTM D412 | 300 % |
| Hardness - ASTM D2240 - Shore A | 31-35 Shore A |
| Mix Time - by Hand | 1-2 Minutes |
| Pot Life - 100g | 15 Minutes |
| Ratio by Volume - ISO:POL | 1:1 |
| Tear Strength - ASTM D624, Die C | 72 pli |
| Tensile Modulus - ASTM D412 | 278 psi |
| Tensile Strength - ASTM D412 | 300 psi |