Complies with ASTM test method F392. Determines flex resistance of flexible barrier materials by applying repetitive strain. Pinhole formations are criteria for measuring failure, determined using colored turpentine staining through pinholes onto white backing. Flexing combines twisting and horizontal motion at 45 cycles per minute. 5 test conditions from 20 to 2700 cycles. Sample size 8"x11" (200 x 280 mm).

Capabilities

✓ASTM F392 compliance
✓Flex resistance testing
✓Pinhole detection
✓Repetitive strain testing
✓Twisting and horizontal motion
✓45 cycles per minute
✓5 test conditions
✓Colored turpentine staining

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Specifications

model	GFT392
standard	ASTM F392
frequency	45 cycles per minute
test range	20 to 2700 cycles
sample size	8"x11" (200 x 280 mm)