Copper/chromium/arsenic preparations for wood preservation
BS 4072:1999 pdf free.Copper/chromium/arsenic preparations for wood preservation. This standard specifies requirements for two types of waterborne preservatives containing mixtures of compounds of copper (II), chromium (VI) and (i) for applicat ion to timber to 1)rotet it against attack in serice by wood-destroying organisms. NOTE I Teat methnd.s are given in annex A and annex H and giddanee on methods […]
Continue reading »