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Pressure Sensitive Tape Guide

PSA Constructions

The different types of Pressure Sensitive Adhesive Tapes commonly used are referred to as single coated tape, double coated tape, adhesive transfer tape or transfer adhesive, and self wound tape. A schematic and a description of each product type are provided below:

Single Coated Tape: An adhesive coated on one side of a webstock usually referred as a facestock. The adhesive is protected by a silicone coated release liner that is discarded after the adhesive is applied.
Double Coated Tape: A carrier is coated on both sides with a Pressure Sensitive Adhesive . The carrier can be made from numerous materials such as plastic films (1/2 Mil polyester is the most common), paper, tissue, synthetic non-woven, etc. The adhesive is protected by a release liner that is coated with silicone on both sides.
Adhesive Transfer Tape or Transfer Adhesive: An unsupported adhesive film coated on a release liner coated on both sides with silicone. It is extremely critical that a differential release liner (one side must be more difficult to remove the adhesive) be used for the transfer tape to unwind properly.
Self Wound Tape: A carrier which is coated on one side with PSA and on the other with a silicone release coating. There is no release liner in this type of product. Most common uses of this product include packaging tapes, electrical tapes, and masking tapes.
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