FOSTER MONOLAR MASTIC is a tough, flexible, fire-resistive, elastomeric finish for protection of outdoor thermal insulation. It contains chlorosulfonated polyethylene rubber (formerly known as Hypalon*). It is an excellent vapor retarder for low temperature insulation on tanks, pipework, ductwork, vessels and fittings.
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nMONOLAR MASTIC is produced under the classification and follow-up service of Underwriter’s Laboratories, Inc.
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