EN ISO 7391-1This description is for standard: EN ISO 7391-1ISO 7391-1:2006 establishes a system of designation for polycarbonate thermoplastic material, which may be used as the basis for specificati
EN ISO 7391-2This description is for standard: EN ISO 7391-2ISO 7391-2:2006 specifies the methods of preparation of test specimens and the test methods to be used in determining the properties of poly