The GESTER GT-C39C Zipper Reciprocating Fatigue Tester is a niche, precision-engineered apparatus built exclusively to evaluate the repeated opening and closing resistance of slide fasteners destined for heavy-duty footwear and leather goods. Unlike universal light-textile testers, the GT-C39C is tailored strictly to satisfy the rigorous requirements of the SATRA TM50 Method 1 standard. This dedicated setup simulates the extreme lateral tension, heavy leather stiffness, and high-load mechanical drag experienced by boot and luxury leather zippers, delivering flawless diagnostic benchmarking where standard textile machines fail.
The GT-N16 MIT Type Paper Folding Endurance Tester is used for determining the folding endurance strength of paper and paperboard using hang type weight method.
Mouth-actuated Tester is suitable for Toy Durability test Toy safe Durability test, such as whistles with a ball, the sounders with a reed and other toys.
Environmental Light Discoloration (UV) Tester is to test the resistance to discoloration of shoes materials. Such as white and light color upper materials, sole materials, leather, PU, fabric etc.
English 
