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All Technical Data
| PMC™-121 30/DRY | |
|---|---|
| Product Type |
|
| Mixed Viscosity | 1,800 cps |
| Mix Ratio By Volume | 1A:1B |
| Mix Ratio By Weight | 1A:1B |
| Pot Life | 30 minutes |
| Cure Time | 16 hours |
| Shore A Hardness | 30 |
| Specific Gravity | 1.04 g/cc |
| Specific Volume | 26.7 cu. in./lb. |
| Color | Clear Amber |
| Die C Tear Strength | 75 pli |
| Tensile Strength | 400 psi |
| Elongation @ Break | 1,000 % |
| 100% Modulus | 82 psi |
| Shrinkage | < .001 in. / in. |
Product Description
PMC™-121 30/DRY
The PMC™-121 Series urethane rubbers feature convenient one-to-one by volume mix ratios. PMC™-121/30 Dry is exceptionally strong and abrasion resistant for soft urethane mold rubbers. It does not exude oil and can be used for casting waxes, Smooth-On liquid plastics, gypsum plasters and other materials.