STP691

    Emulsion-Based Paint Systems for Wood

    Published: Jan 1980


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    Abstract

    The paper deals with the durability of experimental emulsion-based systems on wood exposed to weathering for a period of 3 years.

    A number of oleo-resinous and emulsion-based primers were applied to two different types of timber and overcoated with both conventional oleo-resinous and emulsion-based topcoats.

    Four different exposure sites representing four different climatic regions were chosen to allow a study of the influence of the following on the durability of the coating systems: the composition of the paint system, the primer formulation, the topcoat formulation, and the climatic conditions.

    It was found that emulsion-based systems could be more durable than the more conventional systems.

    Keywords:

    paint systems, paint formulation, emulsion paints, oleo-resinous paints, primers, topcoats, timber, Pinus Insignis, meranti, moisture content of timber, toxicity, cost saving, grain raising, mold growth


    Author Information:

    Vorster, OC
    Senior technical officer, National Building Research Institute, Council for Scientific and Industrial Research, Pretoria,


    Paper ID: STP36102S

    Committee/Subcommittee: G03.02

    DOI: 10.1520/STP36102S


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