裂纹/金属划痕依据 Oesterle，3 个测试盘：钢，铜，热固塑料，0 - 3 N / 0 - 10 N / 0 - 20 N
Scratch Hardness Testing
Model 435
Order number: 00960131-
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Scratch Hardness Testing
Model 435
裂纹并不总是美观的，至少不是在光滑、有光泽的涂层表面上。这通常很快：指甲在哑光桌子上无意间“划伤”。或者一根树枝划过凯迪拉克美观的漆面。小原因，大麻烦——一个裂纹！裂纹的一个变体是金属划痕。这里所指的是硬币等小金属颗粒这样的元凶，它们会“擦掉颜色”，从而在表面留下难看的划痕。以前，人们只能用指甲“检查”表面。435 型耐磨性测试仪首次实现以精确的测试值定义涂层表面的特性。
Technical Descriptions
Norms
- Oesterle
Technical specifications
Drive
Manuel
Scratch profile
Discs: Edelstahl, Duroplast Copper
Testing Force
0-20 N
Equipment
-
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