Key Features:
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Versatile Material Testing: Accurately determines the bursting strength for a wide range of materials, including paper and heavy-duty corrugated board.
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Advanced Digital Precision: Equipped with a modern digital display for real-time, easy-to-read results, reducing human error in data collection.
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User-Centric Design: The BT-21 model features a secure, user-friendly interface designed for safe and efficient daily operation in high-volume labs.
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Global Standard Compliance: Engineered to support international testing standards, ensuring your products meet global quality and safety benchmarks.
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Enhanced Durability: Built with high-quality components to withstand demanding industrial environments while maintaining long-term calibration accuracy.
The Burst Strength Tester (Model BT-21) is an essential laboratory instrument designed to measure the hydraulic bursting strength of paper, solid board, and corrugated fiberboard.
This modern testing solution is critical for quality control (QC) and R&D, ensuring packaging materials meet rigorous industrial durability standards.
By providing precise pressure readings via a digital display, the BT-21 helps manufacturers evaluate material performance and structural integrity under stress.
Its robust design and intuitive interface streamline the testing process, making it a reliable choice for paper and packaging industries worldwide seeking consistent, accurate data.
Frequently Asked Questions (FAQs)
What is Bursting Strength and why is it important for packaging?
Bursting strength is the maximum hydraulic pressure a material can withstand before it ruptures. It is a critical metric for quality control in the paper and corrugated board industries, as it directly indicates how well a box or sheet will resist internal and external pressures during shipping, handling, and storage.
What is the difference between the Mullen Test and the Edge Crush Test (ECT)?
The Mullen Test (Bursting Strength) measures the material's resistance to being punctured or ruptured, which is ideal for products that might shift or exert internal pressure. In contrast, the Edge Crush Test (ECT) measures the stacking strength or how much weight a box can support on its edge. Both are essential but serve different protective goals.
Which industry standards does the BT-21 Burst Strength Tester comply with?
This instrument is designed to align with major international standards, including ISO 2758 (for paper) and ISO 2759 (for board and corrugated fiberboard), as well as ASTM D3786 and TAPPI T403. Always verify your specific material requirements against these standards.
How often should the Burst Strength Tester be calibrated?
To maintain high accuracy, it is recommended to calibrate the unit every 3 to 6 months depending on usage frequency. Labs with high-volume testing may benefit from monthly checks using standard aluminum calibration foils to ensure the digital readings remain precise.
Can this machine test materials other than paper?
Yes, while primarily used for paper and corrugated board, burst strength testers are also utilized for textiles, non-woven fabrics, and flexible packaging. However, different materials may require specific diaphragms or pressure ranges; please consult the technical datasheet for compatibility.
What are the benefits of a digital display over an analog gauge?
The BT-21’s digital display provides higher precision, reduces "parallax error" (reading the needle from an angle), and often includes memory features to store peak values and calculate averages, making data collection faster and more reliable for SEO-friendly reporting.