IntroductionRH-MIT135 Folding Endurance Tester is designed to measure folding endurance of paper, cardboard and other flaky materials up to 1.25 mm thickness. It performs cyclic folding tests in accordance with national and international standards, delivering repeatable results for quality control and R&D in packaging, printing and materials testing laboratories.
Standards- ISO 5626
- GB/T 2679.5
- QB/T 1049
- GB/T 457
Technical specifications- Model: RH-MIT135
- Brand: GBPI
- Tested materials: paper, cardboard and other flaky materials (thickness ≤ 1.25 mm)
- Measure range: 1–99,999 cycles
- Folding logarithm: 0–4.78
- Spring range: 4.9 N–14.7 N
- Folding angle: 135° ±2° (left and right)
- Folding speed: 175 ±10 cycles/min
- Crack sizes: 0.25 mm, 0.50 mm, 0.75 mm, 1.00 mm
- Dimensions (W×D×H): approx. 330 × 250 × 400 mm
- Weight: approx. 30 kg
- Power supply: AC 110–240 V
Product features- Synchronous motor ensures stable amplitude, low noise and accurate folding speed and angle.
- Calibrated spring tension using weighing method for precise and consistent force control.
- English LCD interface with intuitive operation; supports automatic testing and miniature printer output.
- Automatic chuck reset with memory and display of test results for straightforward data review.
Applications- Quality control in paper and packaging production
- Material R&D and laboratory testing
- Printing industry and converter quality checks