The cured polymer has a Shore D hardness of 64.It is resistant to thermal cycling and many chemicals, including most organic solvents over the temperature range of -65°F to +250°F. Adhesion to metals, glass ceramics, wood, vulcanized rubbers and many plastics is excellent. The EP21LM-3 system has a dielectric strength over 350 V/mil and a volume resistivity of 1014 ohm-cm. Masterbond Hackensack, NJ www.masterbond.com