GB/T 31586.2-2015
防护涂料体系对钢结构的防腐蚀保护 涂层附着力/内聚力(破坏强度)的评定和验收准则 第2部分:划格试验和划叉试验
Corrosion protection of steel structures by protective paint systems.Assessment of,and acceptance criteria for,the adhesion/cohesion (fracture strength) of a coating.Part 2:Cross-cut testing and ×-cut testing
GBT31586.2-2015, GB31586.2-2015