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The test specimen should be a rectangular prism or a cylindrical shape with a volume of at least 10 cm³. The specimen should be free from air bubbles and any other defects.
specifies a test method for determining the tear strength of plastic films and sheets using the trouser test method (also known as the propagation tear test). Unlike tensile tests that measure initial tearing, this standard evaluates how a material resists the continuation of a tear once an incision has been made.
The method described in DIN 53357 is particularly designed to measure the force required to propagate a tear in a leather specimen that has been pre-cut. This test is essential for quality control in the production of leather goods such as shoes, gloves, and garments, where seam strength is vital. din 53357 pdf
The layers are manually separated at one end to allow clamping.
A rectangular test specimen with a pre-cut slit or notch is placed in a tensile testing machine. The specimen is pulled in such a way that the tear propagates from the pre-cut area. The maximum force required to continue tearing the leather is recorded.
Ensures that the PVC top-layer does not separate from the textile backing during daily use. Provides access to international equivalents
was a historical German standard used to test the adhesion (peel strength) of laminates and plastic films . Although it was officially withdrawn in the late 1990s and replaced by newer European standards, it remains a common reference in technical data sheets for legacy industrial materials. 1. Purpose and Scope
This article provides information and is not a substitute for the official standard. It does not constitute legal or technical advice. In case of any discrepancy, the official DIN 53357 document takes precedence. You are responsible for ensuring your use of any standard is appropriate for your specific application and jurisdiction.
Typically used for assessing specialized bond strength under varying conditions. Key Testing Parameters specifies a test method for determining the tear
The core piece of equipment for the DIN 53357 test is a tensile testing machine that meets the requirements of DIN 51220 and DIN 51221. The machine's measuring range must be selected such that the average separation force does not fall within the first fifth of the device’s measurement range. Additionally, a special clamping device for peel tests is required, with a defined peel roller (so-called "German Wheel Peel Fixture") that complies with DIN 53357-B.
The test typically measures percentage changes in:
. Developed by the German Institute for Standardization (Deutsches Institut für Normung), this framework helps industries ensure that multilayered materials, such as food packaging, protective films, and laminated labels, do not separate under operational stress. Although officially withdrawn and replaced by modern harmonized guidelines like DIN EN ISO 2411 , understanding DIN 53357 remains essential. Many engineers, legacy workflows, and manufacturing plants continue to reference this protocol in technical specifications and quality control checklists. What is DIN 53357?