Viscous flammable liquids such as paints, varnishes, enamel paints, lacquers, adhesives, and polishes with a flash-point below 23°C may be assigned to packing group III if:

(a) the viscosity and flash-point are in accordance with Table 2-5;

(b) less than 3% clear solvent separates in the solvent separation test;

(c) the mixture or separated solvent, if any, does not meet the criteria of Division 6.1 or Class 8;

(d) if the flammable liquids are assigned to packing group III, they may not contain more than a net quantity of 30 l per package on the passenger aircraft or 100 l by cargo aircraft only.