Wood pulp and similar substances are not included in the timber terminology as far as deck cargo regulations are concerned.
The air-dried chemical variety must be kept dry, as once it is allowed to get wet it will swell. This action could cause serious damage to the ship’s structure and the compartment in which it is carried. To this end, all ventilators
and air pipes should be closed off to restrict any possibility of water entering the compartment (stowage factor (SF) 3.06/3.34).