GF-392 Gelbo Flex Tester

Gelbo Flex Tester designed to measure flexible barrier materials for flex durability to ASTM F392 The GF-392 Gelbo Flex Tester is a microprocessor controlled system, with a user controllable pre-set method programmed for ASTM F392. This makes the GF-392 both versatile and very easy to use, with only minimal user training needing. Test practices are useful for determining the resistance of flexible packaging materials to flex formed pin hole failures, failures in integrity of one or more plies of a multi-ply structure, and breakdown of barrier properties such as gas or moisture transmission rates. ASTM F392 specifies a variety of conditioning levels, and the GF-392 can be programmed to comply with each method. The sample (200mm x 280mm) is attached to the instrument mandrels with two clamps. The instrument then provides a twisting action combined with a horizontal oscillation and the number of cycles are counted.

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