The Bursting Tester for Paper, also known as the Mullen Tester, is a widely used instrument designed to measure the burst strength of paper materials. Renowned for its simplicity, reliability, and advanced technology, this tester is essential for scientific research units, paper manufacturers, packaging industries, and quality inspection departments. It provides accurate and consistent results, making it an indispensable tool for assessing the durability and quality of paper products across various applications.

Application Range

All kinds of paper, cardboard, gray board, color box, and non-paper materials such as aluminum foil, film, rubber, silk, cotton.

Product Features

Steady Performance: Driven by a precision stepper motor, the oil cylinder ensures stable speed and smooth operation across a wide voltage range.
One-Touch Testing: Equipped with a pneumatic clamping system for easy and efficient one-key operation.
High-Precision Measurement: Utilizes an advanced ARM processor with a 24-bit ADC high-resolution analog-to-digital converter, offering fast response and accurate data acquisition.
Intuitive Interface: Features a 7-inch color touchscreen with a user-friendly Chinese interface, touch controls, and real-time pressure curve display.
Power Failure Protection: Built-in data retention function saves pre-shutdown test data and allows testing to resume after power restoration.
Auto Reset Function: Automatic reset when pressure exceeds the set range, ensuring safety and reliability.
Flexible Unit Selection: Supports three measurement units — kPa, kgf/cm², and Psi — with easy switching as needed.
Software Connectivity: Compatible with PC software for data management and extended analysis (software sold separately).

Test Standard

GB/T 454 QB/T 2679.8 ISO 2758

Technical Parameters

Standards: GB/T 454, QB/T 2679.8, ISO 2758
Working Environment: (10–35)℃, Humidity ≤85%
Measuring Range: 50–1600kPa
Indicating Error: ±0.5% (Range 5%–100%)
Resolution: 0.1kPa
Refueling Speed: 95±5ml/min
Required Compressed Air: 0.6–0.7MPa
Air Pressure Adjustment: 0.15MPa
Upper Clamp Ring Aperture: 30.5±0.05mm
Lower Clamp Ring Aperture: 33.1±0.05mm
Print: Built-in thermal printer
Communication Interface: RS232 (default) (USB, WIFI optional)
Dimension: 470 x 315 x 520mm
Net Weight: 56kg
Hydraulic System Tightness: Pressure drop <10% Pmax in 1min
Power Supply: AC 100V±10% or AC 220V±10%, (50/60)Hz, 150W

Optional Accessories (Purchase Separately)

RS232 interface and computer software 1 set

Compressed air is supplied by client

Why Choose the Bursting Tester for Paper?

The Bursting Tester for Paper ensures accurate burst strength testing with its stepping motor and real-time data display. Its compliance with ISO 2758 makes it a top choice for paper industries.