Shop3M > Shop by Product Category > Adhesives > Non-Structural Adhesives > Sealants > Specific Use Sealants > 3M Extreme Sealing Tape 4412N 3M Extreme Sealing Tape 4412N3M Extreme Sealing Tape 4412N is a single coated, pressure sensitive adhesive tape designed for difficult sealing applications. The backing on this tape is an ionomer film that is very tough yet flexible and abrasion resistant. The very soft and thick acrylic adhesive has excellent sealing properties and good long term, outdoor durability. This single coated tape is designed to seal over an existing joint, seam, or penetration. The adhesive is designed to adhere well to the ionomer film so that overlap layers of this tape can be used and still provide a tight seam to itself and the joint or seam to be sealed.
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