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Alkaline copper quaternary, usually abbreviated ACQ, is a type of water-based wood preservative product containing a soluble copper(II) complex and quaternary ammonium alkyl- or aryl-substituted compounds ("quats"). Thus the product was originally called ammoniacal copper/quaternary ammonium. [1] [2]
Apart from structural wood preservation measures, there are a number of different chemical preservatives and processes (also known as timber treatment, lumber treatment or pressure treatment) that can extend the life of wood, timber, and their associated products, including engineered wood. These generally increase the durability and resistance ...
Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions.It is used to impregnate timber and other wood products, especially those intended for outdoor use, in order to protect them from attack by microbes and insects.
Methyl cyanoacrylate (MCA; also sometimes referred to as α-cyanoacrylate or alpha-cyanoacrylate) [3] is an organic compound that contains several functional groups: a methyl ester, a nitrile, and an alkene. It is a colorless liquid with low viscosity. Its chief use is as the main component of cyanoacrylate glues.
A suggested wording for what's left: "Sodium silicate is a relatively recent treatment which preserves wood from moisture and insects and possesses some flame-resistant properties. Sodium silicate-treated lumber may be a safer alternative to both CCA and ACQ."
Interfor produces lumber for residential, commercial and industrial applications. [5] It uses several species of wood in its products, including Douglas Fir, Western Hemlock, Western Red Cedar, Ponderosa pine, Lodgepole pine and Southern Yellow Pine. It markets European Spruce and Red Pine lumber through a sales agreement with Ilim Timber. [6]
Do you ever think about all the viruses, malware and spyware programs floating around the internet and how easy it is for them to find their way onto your computer?
Wood drying (also seasoning lumber or wood seasoning) reduces the moisture content of wood before its use. When the drying is done in a kiln, the product is known as kiln-dried timber or lumber, whereas air drying is the more traditional method. There are two main reasons for drying wood: Woodworking