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ISO 29862 | Adhesives | Peel Testing

Pressure sensitive tape is used in a variety of applications including duct tape, electrical tape, masking tape, packaging, double-sided tape, bandages, medical devices, and other uses. ISO 29862 includes four different methods and two annexes (Annex A & Annex B) for testing the peel adhesion strength; the force required to peel a strip of adhesive tape from a specified substrate at a specified angle and speed.

Prior to conducting ISO 29862, it is important to read the entire specification in the relevant ISO publication. Click here for ASTM D3330, the ASTM equivalent to ISO 29862.

ISO 29862| Adhesives | Peel Testing

Method 1 – Self adhesive tapes – Measurement of peel adhesion from stainless steel at an angle of 180 Degrees:

  1. Adhere the specimen to the stainless steel testing plate.
  2. Secure the testing plate vertically to a grip on the tensile testing machine while having the other grip pull the free end of the adhesive tape specimen at 180 degrees to the plate at the specified rate.
  3. Record the force required to peel the adhesive tape continuously from the plate (adhesive strength).

Method 2 – Self adhesive tapes – Measurement of peel adhesion from its own backing at an angle of 180 Degrees:

  1. Prepare the specimen by folding at one end, adhesive to adhesive to form a tab.
  2. Tape the other end of the specimen to the testing plate.
  3. Repeat step 2 of Method 1.
  4. Measure the force required to peel the adhesive tape continuously from the backing of a second piece of the same tape (adhesive strength).

Method 3 – Self adhesive tapes – Measurement of peel adhesion of double sided and transfer tapes at an angle of 180 Degrees:

  1. Prepare the specimen by applying a length of double sided or adhesive transfer tape to a standard plate with the non-tested surface covered by polyester film.
  2. Repeat step 2 of Method 1.
  3. Measure the force required to peel either face of the double sided or transfer tape continuously from the plate (adhesive strength).

Method 4– Self adhesive tapes – Measurement of adhesion of  the liner to an adhesive tape at an angle of 180 Degrees:

  1. Adhere a length of double sided adhesive to a suitable panel. If a single sided adhesive tape is tested, use a double sided adhesive tape to adhere the single sided adhesive specimen to the test panel.
  2. Repeat step 2 of Method 1 where the moving grip pulls the free end of the liner away from the adhesive tape.
  3. Measure the force required to peel the liner continuously from the adhesive surface (adhesive strength).

Calculations:

  • Adhesive Strength

ISO 29862| Adhesives | Peel Testing

ISO 29862| Adhesives | Peel Testing

ISO 29862 Recommended Equipment
Testing System
Fixturing
Accessories
  • A smooth metal testing plate of the required length
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