Internal Bond Tester for Rapid Delamination Analysis Multi-Ply Papers and Boards Internal Bond Tester

Introduction to the BGT-01 Internal Bond Tester

The BGT-01 Internal Bond Tester is designed to accurately measure the energy required to cause rapid delamination in paper and board materials. By initiating a rupture in the "Z" or thickness direction with a pendulum at a controlled velocity, this testing instrument provides critical insights into the structural integrity of multi-ply papers and boards, including those with coatings and synthetic polymer laminations. The BGT-01 is especially suitable for materials that may encounter z-direction impacts, impulses, or shock loads during industrial processes such as printing and conversion. Whether for single or multi-layer paper and board, this Internal Bond Tester is essential for industries that demand rigorous quality assurance, such as packaging, printing, and paper manufacturing.

Why Test Internal Bond Strength?

Understanding the internal bond strength of paper and board is essential for predicting how these materials will perform under various stresses in real-world applications. During printing, packaging, or product assembly, these materials are subjected to dynamic forces, often resulting in delamination, blistering, or surface picks. Such failures are commonly caused by:

1. High-velocity impact loads.
2. Short stress durations (typically in milliseconds).
3. Planar separation within the sheet structure.

These performance challenges highlight the need for a reliable Internal Bond Tester that can help manufacturers ensure material resilience against these forces, minimizing the risk of product failure and costly reworks.

Principle of the BGT-01 Internal Bond Tester

The BGT-01 Internal Bond Tester operates by adhering a square test piece to a metal anvil using double-sided adhesive tape. A matching aluminum platen is applied to the top of the test piece, creating a stable setup. A pendulum then impacts the platen, splitting the test piece along the Z-axis. This test measures the energy absorbed in causing the delamination, providing a quantitative assessment of the material's internal bond strength.

Core Features of the BGT-01 Internal Bond Tester

1. Automatic Pendulum Release: The instrument is equipped with an automatic pendulum release, ensuring consistent and precise impact each time.
2. High-Resolution Data Acquisition: The system provides a resolution of 0.001 lbf/in², using a high-precision 5000-pulse encoder for accurate data capture.
3. Self-Calibration Capability: A special 5-level calibration tool kit (available as an additional accessory) supports long-term accuracy and reliability.
4. Flexible Unit Switching: The device allows switching between J/M² and lbf/in², catering to diverse measurement needs.
5. User-Friendly Interface: A 5-inch color touchscreen offers easy operation with real-time data display.
6. Optional Software Integration: The BGT-01 Internal Bond Tester can connect to computer software for document processing and A4 format printing, facilitating streamlined data management.
7. Integrated Printing Output: The tester includes a modular thermal printer for quick, high-quality printouts of test results.

Applications of the BGT-01 Internal Bond Tester

The BGT-01 Internal Bond Tester is widely used across several industries where the internal bond strength of materials is critical. Applications include:

• Packaging: Ensures that materials withstand handling stresses, reducing the risk of packaging failure.
• Printing: Tests the integrity of paper and boards, ensuring they can endure high-speed printing impacts.
• Paper Manufacturing: Assesses the strength of coated and laminated paper products to improve quality control.
• Food and Beverage: Used for packaging materials in the food and beverage sector to ensure product safety and durability.

Technical Specifications of the BGT-01 Internal Bond Tester

Sample Cutter Specifications

Compliance with Standards

The BGT-01 Internal Bond Tester meets international and national testing standards, ensuring results are both accurate and comparable across applications:

• ISO 16260
• TAPPI T569
• GB/T 26203
• QB/T 5558

FAQs About the BGT-01 Internal Bond Tester

1. What is internal bond strength, and why is it important? Internal bond strength measures the potential energy needed to cause delamination in a test sample. This is crucial for determining the durability and quality of materials in high-impact industrial processes, ensuring the materials can handle stress without structural failure.

2. What types of materials can the BGT-01 Internal Bond Tester analyze? The BGT-01 Internal Bond Tester is suitable for a wide range of single- and multi-ply papers and boards, including coated sheets, laminated boards, and synthetic polymer films.

3. How does the pendulum release mechanism improve testing? The automatic pendulum release provides precise and consistent impact, allowing for repeatable results and minimizing operator-induced errors.

4. Can I switch between measurement units? Yes, the Internal Bond Tester offers unit switching between J/M² and lbf/in², accommodating various industry standards.

5. Does this tester support data processing and printing? Yes, it includes optional software for data management, document processing, and A4 printing, as well as an integrated modular thermal printer.