Extreme sealing tape is the solution for “roof-to-trim” sealing and sealing around roof top mechanical fasteners. Extreme sealing tape meets a wide variety of difficult sealing applications. As a single coated tape, the sealing is generally done by “oversealing” an existing joint or penetration, as opposed to “between surface sealing” applications which are typically done with a double coated tape, gasket, or liquid sealant/adhesive. The acrylic adhesive used in the 3M Extreme Sealing Tape is manufactured from the same technology platform as 3M VHB Tapes.
The pressure sensitive adhesive tape is made to performance for difficult sealing applications. The ionomer film backing is durable, flexible and abrasion resistant. It is conformable for creating an effective seal over contours, edges rivets, and screw heads. The acrylic adhesive is flexible with excellent sealing properties combined with outdoor durability. It is designed bond strongly to the ionomer film so that overlapping tape joints can be made while maintaining a strong, effective seal.
What are ionomers? Ionomers are comprised of any class of polymer materials consisting of thermoplastic resins stabilized by ionic cross-linkages. Some commercial applications for ionomers are golf ball covers, semipermeable membranes, sealing tape and thermoplastic elastomers.
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