Putties for the paint industry. Knife putties

This technical specification outlines the requirements and test methods for fillers and putty knives specifically designed for the paint industry. The document addresses the material properties essential for effective surface preparation in coating applications, ensuring uniformity and proper adhesion. It defines classification criteria based on composition and performance characteristics, providing clear guidelines for manufacturers and quality control personnel. The scope covers various types of fillers used in preparation stages prior to painting, detailing their consistency, drying times, and handling properties. Test procedures described within the text focus on evaluating spreadability, hardness, and compatibility with different paint systems. These parameters are critical for achieving desired finishing results in industrial and commercial painting operations. The document serves as a reference for selecting appropriate materials that meet specific industry standards for surface treatment. It aims to harmonize product quality across the sector by establishing consistent technical benchmarks for filler materials and the tools used to apply them.