| Measuring Range | Standard: 50 to 1200 kPa (paper) Optional: 250 to 5600 kPa (paperboard) |
| Indicating Accuracy | Up to ± 0.5% |
| Resolution | 0.1 kPa |
| Clamping Force | 400 kPa to 1200 kPa (adjustable) |
| Upper Disk Diameter | 30.5 ± 0.1 mm |
| Lower Disk Diameter | 33.1 ± 0.1 mm |
| Distortion Error | Up to 1 mm |
| Pressure of Adhesive Film Convex Disk | (9 ± 0.2) mm/ (30 ± 5) kPa |
| Oil Delivery Speed | 95 ± 5 mL/min |
| Concentricity of Upper and Lower Discs | Up to 0.25 mm |
| Unit Exchange | Kg/cm2, kPa, lbf/in2 |
| Display | 3.2 inch 320 × 240 dot matrix LCD Display |
| Printout | Modular-all-in-one Thermal printer |
| Permissible Temperature | 20 ± 10℃ |
| Permissible Humidity | Up to 85% |
High degree of disintegration
High-precision measurement
Wide testing range
Adjustable clamping force
Multiple unit options
User-friendly interface
Our Mullen Burst Tester LMBT-A12 measures the bursting resistance of paper, cardboard, textiles, and more, ensuring quality control in packaging and manufacturing. It helps assess material strength for industry compliance.
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Mullen Burst Tester LMBT-A12 Catalog
Available Range :
Tensile Stiffness Tester TP-B10 : (1-500) mN.m (divided into 7 small ranges) Paper Air Permeability Tester TP-J10 : 0 to 1000 ml/min Paper tearing tester TP-J20 : 0 to 1000 mN Paper and cardboard thickness meter TP-E21 : 0 to 20 mm Paper and cardboard thickness meter TP-E20 : 0 to 4 mm Digital Paper Thickness Tester TP-E30 : 0 to 5 mm Coefficient of friction tester TP-D10 : 0 to 5 N Carton compression tester TP-I10 : 0.1 to 10 kN Carton compression tester TP-I11 : 1 to 50 kN Electronic Tear Tester LET-A10 : 10 to 64000 mN Mullen Burst Tester LMBT-A11 : 250 to 5600 kPa Mullen Burst Tester LMBT-A10 : 50 to 1600 kPa Puncture strength tester TP-J12 : A (1 to 6) J indicating error ± 0.05 JLabtron Paper Testing Instruments requires air supply for automatic clamping, ensuring smooth and secure operation. These provide real-time pressure curve displays, allowing users to monitor pressure changes instantly. Their over-range reset function protects the sensor by automatically adjusting it in case of excessive readings. They measure ink absorption values, useful for quality control in printing processes. Our paper testing instruments measure WH Hunter whiteness, YI yellowness, and CIE whiteness for precise color and whiteness evaluations for various applications.


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Labtron’s Mullen Burst Tester works by clamping a sample between two circular platens and applying uniform hydraulic pressure through a flexible rubber diaphragm. As the pressure increases, the sample stretches and eventually bursts. The tester records the exact pressure at which the rupture occurs, giving an accurate measurement of the material's bursting strength. The test results help manufacturers evaluate the durability and reliability of their materials.
Our Mullen Burst Tester stands out due to its high precision, user-friendly interface, and advanced digital technology. It features an LCD display for easy result interpretation, an integrated thermal printer for instant documentation, and multiple unit options (Kg/cm², kPa, lb/in²). Additionally, its disintegration accuracy is 100 times higher than gauge-type testers, meaning it provides a more detailed analysis of material failure compared to traditional burst testers.
Yes, it is widely used in the packaging industry to test the strength of paper, corrugated board, and cardboard. Packaging manufacturers rely on this tester to ensure their materials can withstand external forces during storage and transportation. The higher burst strength indicates a stronger and more durable packaging material, reducing the risk of damage to goods.
Yes, the Mullen Burst Tester allows users to select from multiple units, including kg/cm², kPa, and lbf/in². This flexibility ensures that industries using different measurement standards can easily interpret the results without the need for manual conversions.
Yes, our Mullen Burst Tester features a 3.2-inch dot matrix LCD display, which provides clear instructions and test results. Additionally, it has an automated pressure application system and an integrated thermal printer for quick result documentation. These user-friendly features make the tester easy to use, even for operators with minimal technical knowledge.
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Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608