Establishes a system of designation for polyethylene thermoplastic material that may be used as the basis for specifications. Applies to all polyethylene homopolymers and to copolymers of ethylene having a content of other 1-olefinic monomers of less than 50% (m/m) and a content of non-olefinic monomers with functional groups up to a 3% (m/m]. Applies to materials for normal use in the form of granules, powder or pellets. Does not apply to masterbatches or to EPM rubber. BS AMD D10640 RENUMBERS STD