Specimen Preparation 涂层表面定义的划痕损伤,Sikkens 划痕笔尖 Scratch Stylus acc. to Sikkens Model 463 涂层表面定义的划痕损伤,Sikkens 划痕笔尖 Scratch Stylus acc. to Sikkens Model 463-Pro 手持式工具,用于在涂层测试板上涂抹确定的损伤(划线);配有通用手柄、导向轮和 1.0 毫米(双面可用)的 Sikkens 切割刃