How to Check Bursting Factor for Paper and Board
The paper or board bursting factor demonstrates how dependable the material is when it comes to strength and durability standards. Knowledge about bursting factor measurement plays a vital role in checking quality alongside performance in all paper-based applications including packaging printing and industrial testing usage. This blog examines the bursting factor concept through detailed explanations about its measurement process while discussing its industrial significance.
The bursting factor of paper or cardboard is calculated using the following formula:
Bursting Factor = Bursting Strength (gf/cm²) / Grammage (gf/m²)
To measure the bursting strength of the material, a Bursting Strength Tester is required. This machine evaluates the material's strength, which is then used to determine both the bursting factor and the bursting index.
What Is the Bursting Factor?
Extreme pressure application does not render paper or board unusable according to the definition of bursting strength tester factor. The measure develops from combining the strength of bursting and the weight in GSM terms of the product. The calculation method for the bursting factor involves this equation:
The Bursting Factor calculation combines Bursting Strength (in kg/cm²) that has been multiplied by 1000 and divided by GSM for paper or board products.
The calculated numbers help assess both the product's performance quality along its capacity to work in various applications.
Importance of Bursting Factor in Different Industries
1. Packaging Industry
- The procedure guarantees that corrugated boxes together with cartons maintain adequate strength levels.
- Packaging materials remain safe from storage to transport without damage because of the protective properties of the bursting factor.
- The selection process requires a determination of proper materials since safety is the main priority.
2. Printing Industry
- The process enables the production of quality prints on stable paper materials of lasting durability.
- The printing speed remains undisturbed due to its containment of paper crumble.
- The different printing methods require distinct paper selection which the printing industry makes possible.
3. Industrial Applications
- Production of manufacturing products employs industrial paper of high strength.
- This testing method enables organizations to determine the reliability and functionality of the raw materials they use.
- This system verifies that industrial standards remain compliant throughout the entire sector.
How to Measure Bursting Factor:
A Bursting Strength Tester, a device made specifically for this use, is used to measure the bursting factor in paper and board. A sample is subjected to hydraulic stress until it bursts during the test, and the resulting strength is noted. Activate the tester and adjust its calibration to the manufacturer's guidelines.
Step-by-Step Guide to Testing Bursting Factor
Preparing the Sample
- Select a paper or board sample of appropriate dimensions.
- Ensure the sample is free from defects or inconsistencies. Condition the sample at standard temperature and humidity levels.
Setting Up the Bursting Strength Tester
- Activate the tester and adjust its calibration.
- Place the sample securely on the testing platform.
- Adjust the pressure gauge to ensure accurate readings.
Conducting the Bursting Strength Test
- Uniform hydraulic force on the sample until it fractures.
- Note the bursting strength measurement in kg/cm2 from the gauge.
- Repeat the test multiple times for accuracy and consistency.
Calculating the Bursting Factor
- Use the formula: Bursting Factor = (Bursting Strength × 1000) / GSM.
- The materials are evaluated in terms of their quality by using comparison results with standards in the industry.
Factors Affecting the Bursting Factor
The bursting factor of paper and board is influenced by:
- Grammage (GSM): Materials of higher GSM tend to display a higher bursting factor.
- Fibre Composition: The quality and kind of used in manufacturing fibres influence the strength of an impact.
- Moisture Content: High moisture content can soften the paper and decrease bursting resistance due to reduced brittleness.
- Manufacturing Process: Production techniques, such as pressing and drying, affect the end quality.
Industry Standards for Bursting Factor
There are varying standards for different industrial applications to specify the upper limit of bursting properties for paper and board. Some commonly referenced standards include:
- ISO 2758: Standard for paper bursting strength.
- ISO 2759: Standard for board bursting strength.
- TAPPI T403: Standard testhodel procedure for bursting strength of paper and board.
How to Improve the Bursting Factor
Paper and board manufacture can be improved by:
- Improve Fiber Quality: Use high-strength virgin fibres or well-processed recycled fibres.
- Optimize Manufacturing Processes: Maintain proper drying and pressing techniques.
- Enhance Coating and Treatment: Use additives to increase strength and resistance.
- Control Moisture Content: Store and handle materials in a controlled environment.
Conclusion
Confirming the bursting factor of paper and board is important for quality assurance and prolonged usage of paper products. If the bursting project is executed correctly with such a standard bursting strength device, the authors of the paper or board meet the conditions established in the paper. This while product performance is continuously getting better as companies get the better of the bursting factor, wastes are decreased, and accordingly, better customer satisfaction is achieved.
Test your product to achieve the paper and board products' best practice described in the paper and board products under test so that effective tests for the bursting strength of paper and board products can be devised.
