Selection and Application of Coatings In the Pulp and Paper Industry

Practical information is given on the selection and use of protective coatings in the pulp and paper industry. The main points to be considered in the selection of any coating are relative resistance of the product to the environment, ease of application, experience under similar conditions of exposure, cost per year of the applied coating and choice of colors. Information of this kind is given for the following materials: chlorinated rubber, vinyl, liquid neoprene, epoxy-amine, asphaltic mastic and oil base paints. Also included is information concerning the resistance of these coatings to a number of acids, alkalies, acid salts, alkaline salts, neutral salts, gases and organic materials. The importance of good surface preparation is discussed. Recommendations are made concerning the application of coatings. Properties of specific coating materials are given and typical specifications listed. 5.4.5