Unit Size Net Weight Gallon Kit 24 lb Quart Kit 3 lb Five Gallon Kit 120 lb PMC-780 is a premium performance polyurethane rubber that offers exceptional strength, durability and abrasion resistance. PMC-780 pours easily and cures at room temperature with negligible shrinkage. PMC780 is used around the world for casting abrasive materials such as concrete (pre-cast concrete, making concrete stamping pads, etc.) and gypsum plasters with high exotherms. PMC-780Dry is also commonly used to make rubber mechanical parts of varying configurations (gaskets, wheels, and pullies) as well as ball mill liners and vibration/shock pads.PropertiesTechnical Properties Mix Ratio by Weight 2A:1B Mix Ratio by Volume 2A:1B Pot Life 25 minutes Cure Time 48 hours Color Light Amber Shore Hardness 80A Mixed Viscosity 2,000 cpcs Shrinkage < .001 in./in. Specific Volume 27.2 cu. in./lb. Specific Gravity 1.02g/cc Tensile Strength 900 psi 100% Modulus 400 psi Elongation @ Break 700% Die C Tear Strength 200 pli Media Video Video Documentation 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.700640 - PMC 780 Dry - Five Gallon Kit Related ProductsRELATED PRODUCTS: