The DIN 53363 standard is a standard that determines the trouser tear method used to evaluate the tear resistance of plastic films and sheets. This standard defines a test procedure applied to similar types of materials to determine the tear resistance of flexible plastic materials.
The purpose of testing according to this standard is to determine the resistance of a plastic film to tear propagation under prescribed conditions.
The main purpose of this standard is to provide a standardized method for evaluating the tear resistance of plastic films and sheets. Tear resistance is an important property for materials used in a variety of applications, including packaging, construction and other industries.
The method described in this standard can be applied to products that do not break when fixed between the handles of a tensile testing machine due to their softness. The test procedure allows comparison of samples from different products, provided that the sample thicknesses do not differ by more than 10%.
The trouser tear method involves creating a small cut or notch in the plastic film or sheet and then applying force to spread the tear.
The arithmetic mean of the readings for the longitudinal and transverse maximum force must be calculated from the individual tests and the tear resistance calculated in Newtons per millimeter of sample thickness.
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