PMC 770

Unit Size	Net Weight
Gallon Kit	24 lb
Five Gallon Kit	120 lb

PMC770 Polyurethane rubber is a Shore A70 addition to our line of industrial liquid rubber products (PMC780 and PMC790) used for a variety industrial and casting applications. Mixed two parts A to one part B by weight, PMC770 pours easily and cures at room temperature to a solid Shore 70A rubber that has exceptional performance characteristics and dimensional stability. It is suitable for production casting of abrasive materials such as concrete (pre-cast concrete, making concrete stamping pads, etc.) and gypsum plasters with high exotherms. It is also suitable for rubber mechanical parts of varying configurations (gaskets, wheels, pullies) as well as ball mill liners and vibration/shock pads.
PropertiesTechnical Properties

Mix Ratio by Weight	2A:1B
Pot Life	30 minutes
Cure Time	16 hours
Color	Light Amber
Shore Hardness	70A
Mixed Viscosity	3,000 cps
Shrinkage	< .001 in./in.
Specific Volume	26.5 cu. in./lb.
Specific Gravity	1.04g/cc
Tensile Strength	750 psi
100% Modulus	250 psi
Elongation @ Break	750%
Die C Tear Strength	200 pli

Media

• 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.

700760 - PMC 770 - Gallon Kit
700770 - PMC 770 - Five Gallon Kit
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