The tester is designed according to national testing standard of paper and cardboard folding endurance.

It can automatically count the times of double-folding about specimen.

It takes photoelectric control to make folding clamp back after testing and convenient for the next operation.

The instrument has powerful function of data processing.

It can not only convert the double folding times and values of single specimen, but also analyze group specimens’ data to show maximum, minimum, average and variation coefficient.

The data stores in micro-computer displayed by LED. In addition, it has the printing function.

Technical features:

  • Measuring range: 0~99999 times.
  • Folding angle: 135±2°.
  • Folding speed: 175±10 times/min.
  • Folding head width: 19±1mm.
  • Folding radius: 0.38±0.02mm.
  • Spring tension: 4.91~14.72N.
  • Distance of folding clamp gap: 0.25mm, 0.50mm, 0.75mm, 1.00mm.