ASTM D4008-19 (2024), a standard guide published by the American Society for Testing and Materials (ASTM) on January 1, 2024, provides detailed procedures for evaluating the soil deposition resistance performance of laundry detergents. This document is designed to offer a standardized method for assessing how effectively washing agents prevent dirt and stains from redepositing onto clean fabrics during the laundering process. The guide includes specific test methodologies, apparatus requirements, and protocol specifications necessary for conducting reliable soil deposition tests.
ASTM D4008-19 (2024) outlines various aspects of testing, including sample preparation, procedural steps, and data analysis techniques that are crucial for determining the efficacy of laundry detergents in maintaining fabric cleanliness. It also provides guidance on interpreting test results and making informed judgments about product performance.
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