ISO-4531 Complete Document History
Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits

Complete Current Edition:
   2ND EDITION - Methods of test and limits - April 1, 2022

Obsolete Revision Information:
   1ST EDITION - Vitreous and Porcelain Enamels - Release of Lead and Cadmium From Enamelled Ware in Contact Wi - Sept. 1, 2018