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D2604-86 – Standard Test Method Technical Guide
ASTM D2604-86 (Reapproved 2000) establishes the specification for high-boiling hydrocarbon solvents utilized in the formulation of oil-borne wood preservatives. These solvents function as the carrier medium for active biocides, most notably pentachlorophenol and copper naphthenate. The specification permits the solvent to be composed of petroleum distillates blended with cosolvents, provided the final mixture satisfies all the physical and chemical requirements outlined in Section 3.
📐 Scope and Composition Requirements
This specification applies exclusively to high-boiling hydrocarbon solvents designated for preparing oil-borne preservative solutions. Administered under ASTM Committee D07 on Wood, it guarantees the solvent effectively conveys the preservative into the wood substrate. The solvent base can consist entirely of petroleum distillates or a carefully balanced blend of distillates and cosolvents, provided it meets the rigorous performance criteria defined within the standard.
🔬 Regulatory Context: ASTM D2604 is closely aligned with the AWPA P-9 standard for solvents and formulations in organic preservative systems, forming a comprehensive regulatory framework for wood treatment chemicals.
📊 Performance Properties and Specifications
To qualify under this standard,