1.1 This Malaysian Standard prescribes requirements for boron timber preservatives consisting essentially of either disodium octaborate tetrahydrate or a mixture of borax and boric acid, and these being designated as type I and type II respectively. This specification covers the composition of the preservatives, methods of chemical analysis and general recommendation on application. It however does not prescribe requirements for preservative retentions resulting from the treatment of timber with these preservatives.
Type I. A sodium borate of a composition corresponding approximately to that of disodium octaborate tetrahydrate (Na2B8O134H20).
Type II. A mixture of borax and boric acid.
NOTE. Notice is hereby given that the use of boron timber preservatives including their sale and manufacture, etc. is governed by the Pesticides Act 1974,
MS 995-1986 history
1986MS 995-1986 Specification for boron wood preservatives