Description
| 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.
Properties
Technical 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 |
Documentation
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
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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