Many modern tensile testing machines (from ZwickRoell, Instron, or MTS) come with pre-programmed testing methods. If you purchase a machine with the "DIN 53357" module, the software will contain a summary of the standard. However, for compliance, you must still own the textual standard. The machine software does not replace the PDF requirement.
The standard specifies a "trouser-shaped" test piece. Imagine a pair of pants cut down the middle leg. The sample has two "legs" and a central notch. The dimensions are strictly defined, typically: din 53357 pdf
is a standard developed by the German Institute for Standardization (Deutsches Institut für Normung). It specifically outlines a method for determining the low-temperature flexibility of rubber and elastomers. The machine software does not replace the PDF requirement
If you are in the US, you can purchase the PDF through ANSI’s webstore. Australian customers can use SAI Global. They resell the original DIN document. The sample has two "legs" and a central notch
Rubber materials undergo a transition known as the . Above this temperature, the material is rubbery and flexible. Below it, the material becomes glassy, hard, and brittle. If a rubber seal becomes brittle in the cold, a minor vibration or impact can cause it to crack, leading to catastrophic failure (e.g., an oil leak or a loss of pressure in a hydraulic system).
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