BS 3452:1962
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for copper/chrome water-borne wood preservatives and their application
Hardcopy , PDF
23-07-2013
English
22-01-1962
Copper sulphate and sodium or potassium dichromate, for application in aqueous solution by pressure or vacuum and pressure. Proportions of ingredients, characteristics of solution, method of application to timber, minimum net dry salt retentions for protection of timber against various hazards. Sampling, analysing preservative, measuring penetration, determining copper and chromium in treated timber.
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