IsoMold URP 5122 is used to make molds of detailed masters that do not contain undercuts. Some of the most common uses of IsoMold URP 5122 are diaphragms; dust boots; gaskets; liners; flexible molds; foundry patterns; wear pads; and concrete stamp pads. IsoMold URP 5122 is a two-part polyurethane molding system. IsoMold URP 5122 is mixed one-to-one by volume and cures at room temperature to a hard (shore A70±2); dark amber rubber.
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Technical Data SheetProduct Types
Elastomer
Product Testing
| Test Performed | Test Results |
| Color - ISO | light amber |
| Color - POL | opaque red |
| Compressive Strength - ASTM D695 - @ 10% Strain | 192 psi |
| Compressive Strength - ASTM D695 - @ 20% Strain | 366 psi |
| Compressive Strength - ASTM D695 - @ 30% Strain | 534 psi |
| Cure Time | 24 Hours |
| Demold Time | 24 Hours |
| Elongation - ASTM D412 | 400-500 % |
| Gel Time | 12 Minutes |
| Hardness - ASTM D2240 - Shore A | 70-74 Shore A |
| Mix Time - by Hand | 1-3 Minutes |
| Pot Life - 100g | 10 Minutes |
| Ratio by Volume - ISO:POL | 100-100 |
| Ratio by Weight - ISO:POL | 100-96 |
| Rebound, Bayshore % - ASTM D2632 | 43 % |
| Split Tear - ASTM D470 | 30-50 pli |
| Tensile Strength - ASTM D638 | 800-1300 psi |
| Trouser Tear - ASTM D624, Method T - Cured with Ethacure 300 | 175-230 pli |