Evaluating the performance of preservative/water repellent emulsion systems

IRG/WP 97-20127

K J Archer, F Cui

Water repellent emulsions are being combined with wood preservatives to improve the weathering properties of treated wood in service. Unfortunately, few standard procedures are available to objectively compare the performance of these systems and as a result quality issues are almost completely neglected. The value of swellometer tests, water immersion tests and accelerated weathering regimes in the understanding of water repellent performance is discussed. This paper represents a step towards the development of water repellent standards which will serve to protect both the interests of the consumer and the wood treating industry.


Conference: 97-05-25/30 Whistler, British Columbia, Canada

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