GB/T 17850.4-2017 in English

This standard outlines the technical requirements for non-metallic abrasive materials used in spray cleaning prior to the application of coatings on steel surfaces. It specifically addresses the characteristics and specifications of coal furnace slag as a suitable abrasive material. The document provides detailed guidelines on the physical and chemical properties that the material must meet to ensure effective surface preparation. It also includes test methods and performance criteria to assess the quality and suitability of the abrasive for industrial applications. The standard aims to ensure consistency and reliability in the use of coal furnace slag for surface treatment processes.