Overview
The Bending Stiffness Tester is a multi-functional intelligent testing instrument designed to measure the bending stiffness and flexural resistance of paper, cardboard, and packaging materials. The device uses advanced computer control to automatically calculate test results, providing accurate and reliable data for quality analysis.
This testing equipment is widely used in paper manufacturing companies, packaging industries, research laboratories, and quality inspection organizations to evaluate the stiffness and mechanical strength of paper products.
Application
The Bending Stiffness Tester is suitable for measuring the bending stiffness of:
Paper and paperboard
Cardboard and corrugated materials
Packaging board
Printing paper and specialty paper
It is an essential instrument for quality control in the paper and packaging industry.
Key Product Features
The Bending Stiffness Tester is equipped with modern technology to deliver high accuracy and efficient testing performance.
Advanced ARM processor for faster response speed and precise data calculations
Automatic motor-controlled test angle adjustment for improved testing efficiency
Supports 7.5° and 15° stiffness testing, with adjustable angles between 1° and 90°
Automatic zero calibration function, eliminating manual alignment before testing
Automatic reset and overload protection for safe operation
USB data export for convenient storage and analysis of test results
Upgradeable system software via network or USB flash drive
Multiple communication options, including USB and Wi-Fi connectivity
Cloud data upload capability, compatible with QMS paper quality management systems for real-time monitoring
Built-in thermal printer for instant printing of test reports
Technical Specifications
| Parameter |
Specification |
| Power Supply |
AC 100–240V, 50/60Hz, 50W |
| Working Environment |
Temperature 10–35°C, Relative Humidity ≤85% |
| Display |
5-inch IPS High-Definition Touch Screen (800 × 480) |
| Measuring Range |
15 – 10,000 mN |
| Indication Error |
±0.6 mN below 50 mN, ±1% for the rest |
| Resolution |
0.1 mN |
| Repeatability |
±1% (Range 5% – 100%) |
| Bending Length |
6 adjustable levels (50 / 25 / 20 / 15 / 10 / 5) ±0.1 mm |
| Bending Angle |
7.5 ±0.3° or 15 ±0.3° (1°–90° adjustable) |
| Bending Speed |
5 ±0.1°/s (1–100°/s adjustable) |
| Data Storage |
Up to 50 test records |
| Data Export |
USB Flash Drive |
| Printer |
Built-in Thermal Printer |
| Communication Interface |
USB / Wi-Fi (2.4G) |
| Dimensions |
310 × 250 × 295 mm |
| Net Weight |
12 kg |
Executive Standards
The Bending Stiffness Tester complies with internationally recognized testing standards, including:
GB/T 23144
GB/T 22364
ISO 5628
ISO 2493
