QB/T 4346-2012 in English

本标准规定了织物复合用干法聚氨酯薄膜的分类、要求、试验方法、检验规则和标志、包装、运输、贮存。
本标准适用于以聚氨酯树脂、色料、助剂为主要原料，以离型纸为载体，经干法涂覆，最终将聚氨酯涂层与离型纸剥离而制成的、用于与织物复合的薄膜。

Scope

This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of dry-process polyurethane films for fabric composites. This standard applies to polyurethane resin, colorants, and additives as the main raw materials, using release paper as the carrier, dry coating, and finally peeling off the polyurethane coating and the release paper for lamination with fabrics. of film.