Protrusion Puncture Resistance Tester
- ASTM D5748
The Protrusion Puncture Resistance Tester plays a critical role in evaluating the puncture resistance of materials, especially stretch wrap films. This test is essential for understanding the performance of materials that must withstand impacts and punctures in various industrial and consumer applications. By utilizing this tester, manufacturers can ensure that their stretch wrap films meet the required standards for durability and performance under real-world conditions.
What is a Protrusion Puncture Resistance Tester?
A Protrusion Puncture Resistance Tester is an instrument designed to measure the resistance of materials, particularly stretch wrap films, to puncture forces. These forces simulate the impact a material might encounter during storage, transportation, or handling, providing insights into the material’s ability to absorb energy and resist penetration. The test is critical for industries that rely on packaging materials that need to withstand stress and punctures without failure.
How Does the Protrusion Puncture Resistance Test Work?
The test procedure involves applying a controlled force through a probe to a sample of material until puncture occurs. The tester measures various factors, such as the force required to break the material, the energy absorbed before failure, and the penetration depth of the probe.
Key elements of the testing procedure include:
- Sample Preparation: The test samples are conditioned in a controlled environment, typically at 23°C (73.4°F) and 50% relative humidity, to ensure consistency.
- Puncture Procedure: The sample is clamped, and the probe is lowered to the surface. The tester then applies force until the material punctures.
- Data Collection: The tester records data such as peak force, maximum force, energy to puncture, and the probe penetration depth.
Why is Puncture Resistance Important for Stretch Wrap Films?
Puncture resistance is crucial in evaluating the durability of stretch wrap films, especially in packaging. These films are used to protect products during storage and shipping, and their ability to resist punctures directly impacts the safety and quality of the products they wrap.
According to ASTM D5748, puncture resistance testing under biaxial deformation conditions helps simulate the stresses stretch films undergo in real-world applications. This test is particularly important for ensuring that films maintain their integrity when subjected to mechanical impacts or abrasions during transportation.
ASTM D5748 and Its Role in Puncture Testing
ASTM D5748 is the standard test method for measuring the puncture resistance of stretch wrap films. This standard outlines the procedure and equipment needed to accurately assess the performance of stretch films under stress. The test provides valuable data, including:
- The force at which the material breaks.
- The amount of energy required to puncture the film.
- The distance the probe penetrates the material.
By following ASTM D5748, manufacturers can ensure that their stretch wrap films meet industry standards and provide reliable protection for products.
Key Features and Parameter of the Protrusion Puncture Resistance Tester
Key Features
The Protrusion Puncture Resistance Tester is designed for precision and reliability. It typically features:
- PLC Control: This provides stability and ease of operation.
- Adjustable Test Speed: The speed of the test can be adjusted to simulate different conditions.
- Precision Ball Lead Screw Mechanism: Ensures accurate control of displacement and speed.
- Compatibility with Multiple Fixtures: Allows for testing of various materials.
- RS-232 Data Communication Port: Facilitates easy integration with testing software for data analysis.
These features ensure that the tester provides accurate, repeatable results, making it an essential tool for quality control in industries that rely on stretch wrap films.
Main Parameter
| Test Range | 0-500N (or 50, 100, 200 etc) 5N for COF |
| Stroke | 800mm |
| Test Speed | 1~500mm/min |
| Disp. Accuracy | 0.01mm |
| Accuracy | 0.5% Full Scale |
| Sample Width | 27mm(optional available) |
| Control | PLC and HMI Screen |
| Power | 110~220V |