Unit Size Net Weight Pint Kit 2 lb Gallon Kit 16 lb Gallon 8 lb Gallon 8 lb Five Gallon Kit 80 lb Five Gallon 40 lb Five Gallon 40 lb Drum Kit 880 lb 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.Pick the one best suited for your application. The dry version does not exude oil and can be used for casting waxes, Smooth-On liquid plastics, gypsum plasters and other materials. The wet version exudes oil that aids in demolding hard plasters and concrete. PMC-121/50 is a "wet-only" mold rubber that is long lasting and durable when used in a variety of applications including reproduction of ornamental plaster, precast concrete and ceramic case molds. Note: "wet" rubber has a higher net shrinkage value vs. "dry " rubber. PMCª 121 Series mold rubbers are easy to mix and pour and are exceptionally strong. They are suited for a variety of applications including making molds to reproduce sculpture and architectural elements, as well as for making special effects, toys and prototypes. These rubbers will meet the stringent demands of production casting of wax, plasters, concrete, resins and epoxies. Vibrant colors can be achieved by adding So-Strongª Color Tints, available from Smooth-On.PropertiesTechnical Properties Mix Ratio by Weight 1A:1B Mix Ratio by Volume 1A:1B Pot Life 30 minutes Cure Time 16 hours Color Clear Amber Shore Hardness 30A Mixed Viscosity 1,800 cps Shrinkage < .001 in. / in. Specific Volume 26.7 cu. in./lb. Specific Gravity 1.04g/cc Tensile Strength 400 psi 100% Modulus 82 psi Elongation @ Break 1,000% Die C Tear Strength 75 pli Media VideoDocumentation Technical Bulletin Special Order Items PRODUCT ADVISORY: The products listed below are currently SPECIAL ORDER items and require pre order. Lead times may vary - For more information please contact our staff.700140 - PMC 121-30 DRY - Five Gallon Kit Related ProductsRELATED PRODUCTS:
