ISO 3376:2020 Leather — Physical and mechanical tests — Determination of tensile strength and percentage elongation. 9 Test report The test report shall include the following: a) a reference to this document, i.e. ISO 3376:2020; b) size of test piece used, standard or large (5.4); c) the pre-load value if instrumentally applied; d) the mean tensile strength, in MPa (or newtons per square millimetre), to the nearest 0,1 MPa, for the test pieces with the longer edge cut parallel to the backbone; e) the mean tensile strength, in MPa (or newtons per square millimetre), to the nearest 0,1 MPa, for the test pieces with the longer edge cut perpendicular to the backbone; f) the mean percentage elongation at maximum force to the nearest 1 %, for the test pieces with the longer edge cut parallel to the backbone; g) the mean percentage elongation at maximum force to the nearest 1 %, for the test pieces with the longer edge cut perpendicular to the backbone; h) the mean percentage elongation at a specified load to the nearest 1 %, for the test pieces with the longer edge cut parallel to the backbone; if required; i) the mean percentage elongation at a specified load to the nearest 1 %, for the test pieces with the longer edge cut perpendicular to the backbone, if required; j) the thickness of the sample, in millimetres, in accordance with ISO 2589; k) any deviations from the method specified in this document; l) full details for identification of the sample and any deviation from ISO 2418 with respect to sampling; m) if required by the customer or in specifications, it is permitted to report the results described in n), o) and p) instead of d) to i); n) the average tensile strength, in MPa (or newtons per square millimetre), to the nearest 0,1 MPa [i.e. the arithmetic mean of d) and e)]; o) the average percentage elongation at maximum force to the nearest 1 % [i.e. the arithmetic mean of f) and g)]; p) the average percentage elongation at a specified load to the nearest 1 % [i.e. the arithmetic mean of h) and i)], if required; q) the standard atmosphere used for conditioning and testing, as given in ISO 2419; r) the date of the test.ISO 3376 pdf download.
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