- Min. Order:   - 1 Set 
- Price:   - US$ 5000 
- Place of origin:   - China 
tester, a sample measuring 200 by 280 
mm is affixed to the mandrels. The flexing process 
involves a combination of twisting and horizontal 
compression, repeatedly subjecting the film to 
both actions. Specifically, the setup initiates a 
twisting motion spanning 440 degrees within the 
first 90 mm of the stroke, followed by a linear 
horizontal motion of 65 mm. The entire cycle 
occurs at a sp
                [Related Keywords : barrier film test, gelbo flex test, ASTM F392]