MaTestLab > Test Standards > ASTM D1922 Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method.
Last updated 19th October 2024
ASTM D1922 Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method.
ASTM D1922 is a test method that determines the tear resistance of plastic films and thin sheeting by the pendulum method. The test involves measuring the energy required to propagate a tear through a slit in the material. The method is used in the plastic film industry to determine the suitability of materials for various applications.
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ASTM D1922 Introduction
ASTM D1922 is a test method designed to determine the tear resistance of plastic films and thin sheeting. The method involves measuring the energy required to propagate a tear through a slit in the material. The test is typically used in the plastic film industry to determine the suitability of materials for various applications, such as packaging, construction, and agriculture.
ASTM D1922 test method is generally applicable to fully processed types of plastic films and thin sheeting. The final values of the procedure are stated in standard units of SI.
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ASTM D1922 Test Method
The test method ASTM D1922 involves cutting a specimen of the material to be tested into a rectangular shape with a slit in the center. The test procedure for ASTM D1922 involves the following steps:
Specimen Setup
The specimen is clamped in a pendulum apparatus with the slit centered under the pendulum. The pendulum is adjusted such that it is at rest at its highest point. The pendulum is then released allowing it to strike the specimen at the edge of the slit.
Recording Results
The energy required to propagate the tear through the material is measured by the pendulum and recorded.
ASTM D1922 Equipment and Sample Preparation
Specimen details
The specimen for ASTM D1922 should be rectangular in shape with appropriate length and width.
Specimen dimensions
The acceptable specimen length for ASTM D1922 is 100 mm and width of 38 mm. The specimen has a slit in the center, with a length of 50 mm and a width of 2 mm.
Specimen preparation
The specimen should be prepared by cutting the material to the required dimensions and creating a slit in the center using a sharp blade.
ASTM D1922 Results and Interpretation
The results of the ASTM D1922 test method are reported in terms of the energy required to propagate the tear through the material, expressed in units of Newton-meters (N-m) or foot-pounds (ft-lb). These results are used to determine the tear resistance of the material, which is important for applications where the material may be subjected to tearing forces.
Tests related to ASTM D1922
There are several tests related to ASTM D1922 that are used to measure the properties of plastic films and sheeting, including ASTM D1004 for tear resistance, ASTM D1709 for impact resistance of plastic film, and ASTM D882 for tensile strength and elongation. These tests are often used in combination to provide a comprehensive characterization of the material’s mechanical properties.
Use of ASTM D1922 in Various Industries
It is one of the standards widely adopted in industries such as packaging, automotive, and aerospace to make determinations regarding the tear resistance of plastic films and thin materials for their use with durability in packaging with some assessment of composite materials under stress.
Materials Commonly Tested with ASTM D1922
It2 is the standard that tests material, an amalgamation of plastic films, laminates, coated papers, and thin sheets of non-wovens or textiles-the products whose application can be traced back into packaging and consumer goods for industrial purposes as well as in the products where tear resistance and durability are of concern.
Common Challenges and Troubleshooting in ASTM D1922 Testing
There are some difficulties in sample preparation, not consistent, and it can lead to inaccuracy because of the thickness of material and machine settings, besides the operator’s handling. Troubleshooting includes re-calibration of equipment, uniform cutting of samples, and minimizing other external factors as well.
Safety and Best Practices in ASTM D1922 Testing
The safety requirements of testing involve proper calibration of the testing machine, correct guidance to the operator, and proper usage of PPE. To minimize risks and obtain dependable results, equipment should be in good working order, free of defects, and properly maintained according to the manufacturer’s guidelines at all times.
Importance of ASTM D1922
This standard test method is widely used to determine tear resistance in materials, especially for critical applications like packaging, medical supplies, or aerospace components, ensuring quality products, minimizing waste, and safety in the industries.
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Where can I get the astm d1922 tested?
You can share your astm d1922 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d1922 test to various testing techniques.
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Please contact us for a detailed quote for your astm d1922 testing needs. Cost incurred to carry out different astm d1922 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm d1922?
The required number of samples or specimens should comply with the procedure given in the astm d1922 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
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MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the astm d1922 test?
The turnaround time for astm d1922 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm d1922 tested?
You can share your astm d1922 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d1922 test to various testing techniques.
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