500g Block Prysmian R391 Weatherproof Compound

500g block of Prysmian R391 weatherproof plastic compound, used to protect electrical connections from moisture and corrosive vapours. R391 compound can be moulded around electrical terminals and connectors, or can be used as a mechanical seal for any form of electrical enclosure. Also suitable for non-electrical applications, in instances where a reliable, non-hardening moisture or water seal is required.