This part of ISO 10545 specifies a method for determining the resistance of the face surfaces of ceramic tiles to staining agents.
EN ISO 10545-14:2015 Referenced Document
ISO 10545-7:1996 Ceramic tiles - Part 7: Determination of resistance to surface abrasion for glazed tiles
EN ISO 10545-14:2015 history
2015EN ISO 10545-14:2015 Ceramic Tiles - Part 14: Determination of Resistance to Stains
1997EN ISO 10545-14:1997 Ceramic Tiles - Part 14: Determination of Resistance to Stains Supersedes EN 122: 1991; ISO 10545-14: 1995, Including Technical Corrigendum 1: 1997