NBN EN ISO 20753:2023

This document specifies dimensional requirements relating to test specimens prepared from plastics materials intended for processing by moulding, as well as to test specimens prepared by machining from sheets or shaped articles. It compiles the designations and dimensions of test specimens used for the acquisition of comparable data and of other frequently used specimens.
The following types of test specimen are specified:
A            Tensile specimen, multipurpose or reduced-scale
B            Bar specimen
C            Small tensile specimen
D            Square plate specimen
F            Rectangular plate specimen
NOTE    If a particular type of test specimen is not mentioned in this document, this does not mean that there is any intention to exclude the use of the specimen. Additional specimen types can be added in future if they are commonly used.