Isotec’s IsoMold CMR 7001 is a two-part polyurethane molding system that is mixed one-to-one by volume and cures at room temperature. IsoMold CMR 7001 contains no fillers and cures to a firm Shore A 70 ± 2 within 48 hours at 23°C. IsoMold CMR 7001 is used to make molds of detailed masters that contain no or shallow undercuts. It is specifically designed for use in concrete casting applications. It has excellent release from pigmented or unpigmented concrete.
Applications
- Pigmented Concrete Molds & Formliners
- Precast Concrete Moldings
- Sculpture Reproductions
- UnPigmented Concrete Molds & Formliners
Advantages
- Convenient 1:1 mixing ratio
- Excellent release characteristics
- High tear strength and elongation
- Low shrinkage
- Picks up fine detail in molding/casting applications
Product Types
Concrete Mold Rubber
Product Testing
| Test Performed | Test Results |
| Color - ISO | Colorless-pale yellow |
| Color - POL | Gray |
| Compression Set - ASTM D395 - Method B, 22 hours @ 140°F | 56 % |
| Compressive Strength - ASTM D695 - @ 10% Strain | 360 psi |
| Compressive Strength - ASTM D695 - @ 20% Strain | 700 psi |
| Compressive Strength - ASTM D695 - @ 30% Strain | 1160 psi |
| Demold Time | 16-24 Hours |
| Elongation - ASTM D412 | 450 % |
| Full Cure | 7 Days |
| Gel Time - 100 gram sample, 74°F | 30-35 Minutes |
| Hardness - ASTM D2240 - Shore A | 68-72 Shore A |
| Initial Cure Time | 48-72 Hours |
| ISO Processing Temperature | 65-75 °F |
| Linear Shrinkage - ASTM D2566 - 2 weeks @140F | 0.19 % |
| Mix Time - by Hand | 1-2 Minutes |
| Mixed Viscosity - ASTM D-2196 - (74°F) | 2080 cps |
| Modulus of Elasticity Under Compression - ASTM D695 | 4900 psi |
| POL Temperature | 65-75 °F |
| Pot Life - 100g | 18-20 Minutes |
| Ratio by Volume - ISO:POL | 1:1 |
| Ratio by Weight - ISO:POL | 0.98:1 |
| Rebound, Bayshore % - ASTM D2632 | 50 % |
| Specific Gravity - 74°F, ISO | 1.07 |
| Specific Gravity - 74°F, POL | 1.00 |
| Tear Strength - ASTM D624, Die C | 220 pli |
| Tensile Modulus - ASTM D412 | 1250 psi |
| Tensile Modulus - ASTM D412 - 100% | 570 psi |
| Tensile Modulus - ASTM D412 - 200% | 760 psi |
| Tensile Modulus - ASTM D412 - 300% | 950 psi |
| Tensile Strength - ASTM D412 | 1200 psi |
| Trouser Tear - ASTM D624, Die T | 40 pli |
| Viscosity - ASTM D-2196 - 74°F, ISO | 4100 cps |
| Viscosity - ASTM D-2196 - 74°F, POL | 1500 cps |