SEDL / STP / STP691-EB / STP36102S

Emulsion-Based Paint Systems for Wood

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

Pages: 10    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.