PMC-121 Series
The PMC™-121 Series urethane rubbers feature convenient one-to-one by volume mix ratios. PMC™-121/30 Dry and PMC™-121/30 Wet are exceptionally strong and abrasion resistant for soft urethane mold rubbers. These rubbers will meet the stringent demands of production casting of wax, plasters, concrete, resins and epoxies. The dry version does not exude an oil and can be used for casting waxes, Smooth-On liquid plastics, gypsum plasters and other materials. The wet version contains a built-in release agent to aid in demolding hard plasters and concrete.
FOR COMMERCIAL/INDUSTRIAL USE ONLY


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▶PMC™-121 30/DRYShore A 30 hardness urethane rubber. DRY formula, 1A:1B mix ratio by volume, 30 minute pot life and 16 hour cure time.WARNING: Prop 65▶PMC™-121 30/WETShore A 30 hardness urethane rubber. WET formula, 1A:1B mix ratio by volume, 30 minute pot life and 16 hour cure time.WARNING: Prop 65▶PMC™-121 50/WETShore A 50 hardness urethane rubber. WET formula, 1A:1B mix ratio by volume, 30 minute pot life and 16 hour cure time.WARNING: Prop 65
Quick Tech Specs
PMC™-121 30/DRY
- Mix Ratio By Volume 1A:1B
- Mix Ratio By Weight 1A:1B
- Pot Life 30 minutes
- Cure Time 16 hours
- Shore Hardness 30 A
- Color Clear Amber
PMC™-121 30/WET
- Mix Ratio By Volume 1A:1B
- Mix Ratio By Weight 1A:1B
- Pot Life 30 minutes
- Cure Time 16 hours
- Shore Hardness 30 A
- Color Clear Amber
PMC™-121 50/WET
- Mix Ratio By Volume 1A:1B
- Mix Ratio By Weight 1A:1B
- Pot Life 30 minutes
- Cure Time 16 hours
- Shore Hardness 50 A
- Color Clear Amber