Difference between 90 and 180 degree Peeling Test

      Some customer ask about the difference between 90 - degree and 180 - degree peeling test. The two tests could be finished by one test machine DLS-07 Peel tester , only need to equipped different fixtures.

      There is no correspondence between the data of the 90 - degree and 180 - degree peeling test. The two tests are determined by the variety of the types of tapes measured on the basis of different standards. The double side tape of PET, Tissue base material is usually tested by 180 degree peeling. Some of the adhesive film or 3mVHB type of foam tape do 90 degree peeling test. If you use a 180 degree test, there may be a shock phenomenon (that is, the violent fluctuation of the data curve) that affects the accuracy of the data.

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