إجراء مقترح من الصين: بولي أسيتالات وبولي إيثرات أخرى وراتنجات إيبوكسية بأشكالها…

This document specifies requirements, test methods, judgment rules, accompanying documents, packaging marking, and application requirements related to the flame-retardant properties of polyol blends and their products used for sprayed rigid polyurethane foam thermal insulation in buildings. This document applies only to polyol blends and their products for sprayed rigid polyurethane foam used in wall, roof, and floor insulation for buildings (including cold storage facilities), and does not cover those used for insulation of tanks and pipelines. This document applies to quality management and control by both manufacturers and users of sprayed rigid polyurethane foam polyol blends, as well as to acceptance inspection and testing by relevant parties.