ISO/TC 38 - ISO/TC 38

1.1 This International Standard specifies domestic washing and drying procedures for textile testing. The
procedures are applicable to textile fabrics, garments or other textile articles which are subjected to appropriate
combinations of domestic washing and drying procedures. This International Standard also specifies the
reference detergents and ballasts for the procedures.
1.2 Provision is made for
a) 13 different washing procedures based on the use of the reference washing machine Type A: horizontal
axis, front-loading type,
b) 11 procedures based on the use of the reference washing machine Type B: vertical axis, top-loading
agitator type, and
c) 7 procedures based on the use of the reference washing machine Type C: vertical axis, top-loading
pulsator type.
1.3 Each washing procedure represents a single domestic wash.
1.4 This International Standard also specifies six drying procedures:
A — Line dry
B — Drip line dry
C — Flat dry
D — Drip flat dry
E — Flat press
F — Tumble dry
1.5 A complete test consists of a washing and drying procedure.
NOTE Use of different parameters (washing machine type, detergent type and type of tumble drier) may affect test
results for any test using this International Standard. Therefore, parties using this standard are strongly encouraged to
agree on the parameters to be used.