Plastic Pigments and Filler Materials. Test Method for Coloring Materials in Plasticized Polyvinyl Chloride (PVC-P). Part 1: Composition and Preparation of Base Mixtures

This technical document establishes a foundational framework for the preparation and composition of coloring formulations specifically designed for polyvinyl chloride plastics. It outlines essential guidelines for selecting and combining pigments and fillers to ensure consistent performance during the manufacturing process. The standard focuses on defining the basic formula structure, detailing the precise mixing ratios and procedural steps required to achieve uniform dispersion of colorants within the polymer matrix. By providing a standardized approach, it facilitates communication between suppliers and manufacturers regarding material specifications. The document serves as a reference for quality control procedures in the production of colored PVC products, ensuring that the resulting compounds meet defined physical and aesthetic criteria. It addresses the initial stages of formulation development, offering a systematic method for preparing test samples that can be used for further evaluation of coloring efficiency and stability. This approach supports the harmonization of testing methods across different facilities and regions.