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MS 995:2008 (CONFIRMED:2020)
BORON TIMBER PRESERVATIVES - SPECIFICATION (FIRST REVISION)
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, sampling, safety in handling and disposal of the preservatives.
Type I: A sodium borate with a composition corresponding approximately to that of disodium
octaborate tetrahydrate (Na2B8O13.4H2O) with minimum amount of 65 % w/w B2O3 content
and 14 % w/w of Na2O.
Type II: A mixture of sodium borate decahydrate (Na2B4O7.10H2O) or pentahydrate
(Na2B4O7.5H2O) and boric acid (H3BO3) with minimum amount of 42 % w/w B2O3 content and
7 % w/w of Na2O.
Original
• (none) / (none) / MS 970:2010
PDF
26/01/2021
12
NSC B - Chemicals and Materials
71.100.50
15.00