Division 3 For the purposes of heading No 3402, ‘organic surface-active agents’ are products which when mixed with water at a concentration of 0,5 % at 20 oC and left to stand for one hour at the same temperature:
United Kingdom
- (a)
give a transparent or translucent liquid or stable emulsion without separation of insoluble matter; and
- (b)
reduce the surface tension of water to 4,5 x 10-2 N/m (45 dyn/cm) or less.