ASTM D2118 is the ASTM standard titled Standard Practice for Assigning a Standard Commercial Moisture Content for Wool and its Products. It provides a defined approach for establishing a commercial moisture content reference for wool-based materials, helping buyers and sellers apply consistent moisture basis assumptions. For textile and wool product transactions, this kind of standard practice supports clearer specifications, more reliable comparisons, and reduced ambiguity in commercial evaluation.

Purpose of ASTM D2118

The purpose of ASTM D2118 is to guide the assignment of a standard commercial moisture content for wool and its products. In practice, moisture content can affect measured weight and commercial value, so a consistent reference is important when evaluating wool materials. This standard practice helps create a common basis for agreements, reporting, and quality-related decisions. ASTM D2118 is therefore useful wherever a defined moisture allowance or commercial moisture basis is needed for wool-related products.

Common use cases of ASTM D2118

This standard is commonly used in wool trading, product specification review, and quality control workflows where a commercial moisture basis must be stated or applied. It may also support procurement documents, test reporting, and internal evaluation of wool and wool-containing products. ASTM D2118 is especially relevant when parties need a standardized reference for moisture content to help compare shipments, assess product condition, or align commercial documentation with accepted practice.

Why ASTM D2118 matters

ASTM D2118 matters because moisture assumptions can influence commercial calculations and product comparisons for wool and its products. A standard practice helps reduce disputes, supports consistency across transactions, and improves confidence in reported values. It is also valuable for compliance-oriented purchasing and quality control because it gives organizations a recognized basis for applying moisture content in a uniform way. Using ASTM D2118 can help reduce risk when wool product weights or valuations are involved.

• Standard commercial moisture basis
• Wool and wool products
• Commercial and quality-control use
• Consistent transaction reference
• Supports product evaluation