Description
	Flex durability tester ASTM F392  Gelbo 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.
	
	
	Features
	
	Specification
| Flex Frequency | 45 /minute | 
| Horizontal Str oke | 155 mm or 80 mm | 
| Stations | 4 | 
| Flex Angle | 440° (90 mm) or 400° (80 mm) | 
| Sample Size | 280 mm x 200 mm | 
	
	Standard
	
	ASTM F392, ''Flex durability of flexible barrier materials''.