Application of Twist Tester: Twist Tester is applicable in twist and vertical tearing value of PE films, is the necessary ... science and research, inspection and manufacture department. Technical parameter of Twist Tester: 1. Rotation angle of main plywood: 720±2°, 2 ... , 3. Dimensions: 380 x120 x 235 mm. Recommend reasons of Twist Tester: 1. Top quality, 2. Human-machine friendly design, 3 ...