Water Soluble Type Wood Preservatives: Part 1 Acid-Copper-Chrome (Acc) Preservative

This technical document specifies the requirements, composition, and testing methods for water-soluble wood preservatives, specifically focusing on the Acid Copper Chromic (ACC) treatment. It outlines the precise chemical formulation necessary to ensure effective protection against wood-destroying organisms such as fungi and insects. The standard details the appropriate concentrations of copper, chromium, and arsenic compounds, along with the procedure for preparing the preservative solution. It further establishes guidelines for penetration and retention levels to guarantee that timber and wood products receive adequate protection for their intended service life. The document includes methods for evaluating the quality of the preservative, ensuring consistency across different manufacturing batches. It serves as a technical reference for the production and application of this specific type of wood treatment solution, addressing safety and efficacy without altering the fundamental chemical composition defined within its scope.