The specifications included in ISO 105/F are intended to establish undyed adjacent fabrics from different single fibres which may be used for the assessment of staining in colour fastness test procedure. These single-fibre adjacent fabrics exhibit standardized staining properties. The parts of ISO 105/F provide single-fibre adjacent fabrics as follows: F01: Wool; F02: Cotton and viscose; F03: Polyamid; F04: Polyester; F05: Acrylic; F06: Silk; F07: Secondary acetate; F08: Triacetate; F09: Cotton (standard rubbing cloth).