This International Standard specifies requirements for the ap-paratus to be used for the determination of the resistance of flat surfaces of vitreous and porcelain enamels to attack by hot detergent solutions used for washing textiles.
SIS SS-ISO 4535:1984 history
1984SIS SS-ISO 4535:1984 Vitreous and porcelain enamels - Apparatus for determination of resis- tance to hot detergent solutions used for washing textiles