Overview
The Internal Ply Bond Tester is a precision testing instrument used to measure the internal bonding strength of paperboard and multi-layer paper materials. Internal bonding strength refers to the ability of paper layers to resist separation under stress. This property is critical for evaluating the structural integrity and processing performance of paperboard used in packaging and printing industries.
The Internal Bond Tester helps manufacturers ensure that paperboard products maintain proper bonding strength during printing, converting, laminating, and packaging processes.
Low or uneven bonding strength may cause issues such as layer separation during offset printing, especially when using sticky inks. On the other hand, excessively high bonding strength can make processing difficult and increase production costs. Therefore, accurate internal bond testing is essential for maintaining consistent paperboard quality and production efficiency.
Application Range
The Internal Bond Tester is suitable for testing the internal bonding strength of various paperboard materials, including:
Box board
White board
Gray board
White cardboard
Multi-layer paperboard used in packaging
It is widely used in paper mills, packaging industries, research laboratories, and quality inspection departments.
Key Product Features
The Internal Bond Tester is designed with advanced technology to deliver accurate, reliable, and efficient testing performance.
Non-damping encoder technology reduces bearing friction and improves measurement accuracy
Powered by Cotex-M4 ARM processor for fast response and precise data calculation
7-inch color touch screen display with an English user interface for easy operation
Separated sample preparation and testing process for improved testing efficiency
Pneumatic pressurization system for sample preparation, eliminating the need for hydraulic oil maintenance
USB data export function for convenient data transfer and storage
Upgradeable system software via network or USB flash drive
Multiple communication interfaces, 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 quick printing of test results
Technical Specifications
| Parameter |
Specification |
| Power Supply |
AC 100–240V, 50/60Hz, 50W |
| Working Environment |
Temperature 10–35°C, Relative Humidity ≤85% |
| Air Source Requirement |
≥0.4 MPa |
| Display |
7-inch IPS High-Definition Touch Screen (1024 × 600) |
| Specimen Size |
25.4 mm × 25.4 mm |
| Specimen Clamping Force |
0–60 kg/cm² (Adjustable) |
| Impact Angle |
90° |
| Resolution |
0.1 J/m² |
| Measurement Range |
A Gear: 0–600 J/m² |
|
B Gear: 200–1200 J/m² |
| Indication Error |
±3% |
| Measurement Unit |
J/m² |
| Data Storage |
Up to 50 Test Records |
| Data Export |
USB Flash Drive |
| Communication Interface |
USB / Wi-Fi (2.4G) |
| Printer |
Built-in Thermal Printer |
| Dimensions |
455 × 310 × 515 mm |
| Net Weight |
25 kg |
Executive Standard
The Internal Bond Tester is designed in compliance with the following testing standard: GB/T 26203-2023
