GOST R ISO 8501-1-2014 涂料及相关产品应用前钢基体的准备. 表面清洁度的目视评估. 第1部分. 之前的涂层全部去除后的无涂层钢和钢基体的锈蚀等级和准备等级
Preparation of steel substrates before application of paints and related products. Visual assessment of surface cleanliness. Part 1. Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous