Impact resistance tests of the film. Tested by the film impact tester with 1 joule weights, 2 3 joules and joules, used in the test. Selecting the use of test weights, test results by test results, must be in the range of 20-80% of the test weights. The test is done by releasing the pendulum comes down, disrupting a test film for example, quickly making the film is damaged, such as cracking or lack of film film. Report test results as the energy used to make the film is damaged. Contains the units joulesThe application can compare the impact resistance, toughness or each type of film.
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