China clay for textile and paper industries

This technical specification outlines the essential requirements and test methods for kaolin clay utilized within the textile and paper manufacturing sectors. It establishes comprehensive parameters regarding physical and chemical properties to ensure material suitability for industrial applications. The document specifies limits for impurities, particle size distribution, moisture content, and whiteness indices, which are critical for maintaining product quality in paper production and textile processing. Detailed procedures for sampling, laboratory analysis, and evaluation criteria are provided to facilitate consistent assessment of raw materials. Compliance with these specifications enables manufacturers to select appropriate grades of kaolin that meet performance expectations for their specific production processes. The guidelines serve as a reference for suppliers and buyers to verify the quality of kaolin products before their incorporation into manufacturing workflows, thereby supporting uniformity in the final output of paper and textile goods.