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Wood treated with this process is often used for cladding or siding, flooring, furniture and windows. For the control of pests that may be harbored in wood packaging material (i.e. crates and pallets), the ISPM 15 requires heat treatment of wood to 56 °C for 30 minutes to receive the HT stamp.
Chromated copper arsenate. 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.
Copper naphthenate is commonly prepared by treatment of naphthenic acid with copper (II) compounds such as basic copper carbonate or copper hydroxide. [1] Even copper (II) sulfate can be treated with sodium or potassium naphthenate in aqueous solutions. The reaction of copper metal with naphthenic acid, which has been used commercially ...
Design. A picket fence is generally 36 to 48 inches (91 to 122 cm) tall. A horizontal top rail and bottom rail are attached to fence posts, which are installed upright into the ground. Evenly spaced boards are affixed vertically to the rails. These boards with pointed tops are called "pickets" for their resemblance to the pointed stakes ...
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]
Barbed wire. Barbed wire, also known as barb wire, is a type of steel fencing wire constructed with sharp edges or points arranged at intervals along the strands. Its primary use is the construction of inexpensive fences, and it is also used as a security measure atop walls surrounding property. As a wire obstacle, it is a major feature of the ...
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