What is the release film release force test method?
Release time:
2024-04-29
1. Take 25.4mm wide and 200mm long TESA 7475 tape and paste it on the test surface (release surface) of the film, and roll it back and forth 3 times with a 2KG standard rolling hand roller. (Note: It is necessary to roll while sticking the whole tape to avoid air bubbles between the release film when applying the tape; 2. After pasting the tape, let it stand for 20 minutes, and the temperature and humidity of the laboratory are controlled at 23±2°C and 50±5% respectively; 3. Stick double-sided tape to the non-test surface of the sample and fix it on the standard steel plate to be tested; 4. Install the material on the fixture, and use the tensile machine to test the tape at an angle of 180 degrees, and the data displayed by the tensile machine computer is the release force (g/in) of the test piece, and the average value of 5 values is the test result.
1. Take 25.4mm wide and 200mm long TESA 7475 tape and paste it on the test surface (release surface) of the film, and roll it back and forth 3 times with a 2KG standard rolling hand roller. (Note: It is necessary to roll while sticking the whole tape to avoid air bubbles between the release film when applying the tape;
2. After pasting the tape, let it stand for 20 minutes, and the temperature and humidity of the laboratory are controlled at 23±2°C and 50±5% respectively;
3. Stick double-sided tape to the non-test surface of the sample and fix it on the standard steel plate to be tested;
4. Install the material on the fixture, and use the tensile machine to test the tape at an angle of 180 degrees, and the data displayed by the tensile machine computer is the release force (g/in) of the test piece, and the average value of 5 values is the test result.
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