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The pressure applied to the tape allows the tape to have better contact with the surface and allows the physical forces between the two to build up. Usually, increased application pressure increases the bond of the adhesive to the substrate. PSA tape laboratory testing is often conducted with a 2 kg roller to increase test uniformity. [13]
Pressure-sensitive tape or pressure-sensitive adhesive tape (PSA tape) is an adhesive tape that sticks when pressure is applied without the need for a solvent (such as water) or heat for activation. It is also known in various countries as self-stick tape , sticky tape , or just adhesive tape and tape , as well as genericized trademarks , such ...
However, these same properties, combined with the lack of traditional gum adhesive, make tape removal, if needed, quick, clean, and easy. Another form of self-amalgamating tape is made from ethylene propylene rubber (EPR) and has similar uses as silicone self-amalgamating tape but is non-vulcanising and has good moisture resistance.
Adhesives may be broadly divided in two classes: structural and pressure-sensitive. To form a permanent bond, structural adhesives harden via processes such as evaporation of solvent (for example, white glue), reaction with UV radiation (as in dental adhesives), chemical reaction (such as two part epoxy), or cooling (as in hot melt).
Autoclave tape Adhesive tape used in autoclaving. Bondage tape Adheres to itself without using sticky adhesives; this tape is used in bondage. Box-sealing tape Pressure-sensitive, used for sealing corrugated boxes. Adhesive is usually coated on a polypropylene or polyester film. Commonly 48 mm (1.9 in) or 72 mm (2.8 in) wide. Double-sided tape
For a peel ply, a thin, woven piece of material is applied to the adherend during fabrication. [9] Because the material is woven, it will leave a torturous surface when removed, which will improve bonding by mechanical interlocking. [6] Prior to adhesive bonding, the woven material acts to protect the surface of the adherend from contaminates.