Barrier film flex durability tester
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Barrier film flex durability tester is used to measure the resistance against repetitive strain for films, composites and coating films, etc.
Barrier film flex durability tester is used to measure the resistance against repetitive strain for films, composites and coating films, etc. Flex failure is determined by measuring the pinholes formed in the sample structure. It is also called Gelboflex.
Barrier film flex durability tester principle
The sample size (200 by 280 mm) is attached to the flex tester mandrels. The flexing action consists of a twisting motion combined with a horizontal motion (compression), thus repeatedly twisting and crushing the film. The test set up gives a twisting motion of 440º in the first 90 mm of the stroke and is followed by a straight horizontal motion of 65 mm. The speed is 45 cycles per minute.
Barrier film flex durability tester technical data
Flex Frequency 45 /minute
Flex Angle 440° (90 mm) or 400° (80 mm)
Horizontal Stroke 155 mm or 80 mm
Stations 4
Sample size 280 mm x 200 mm
Features
1. PLC control and 7 inch touch screen operation
2. 5 standard test modes and 4 test stations
3. Long and short stroke fast switching
4. Micro printer(Optional)
Standard: ASTM F392, "Flex durability of flexible barrier materials".
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