
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
Spare spring
Spring 0 - 3 N
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Spare spring
Spring 0 - 10 N
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Test disc made of steel (Ø 16 mm, R 0,5 mm), 1 mm thickness, 0,5 mm edge radius
Test disc made of stainless steel (Ø 16 mm, R 0,5 mm)
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Test disc made of duroplast (Ø 16 mm, R 0,5 mm), 1 mm thickness, 0,5 mm edge radius
Test disc made of Duroplast (Ø 16 mm, R 0,5 mm)
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Test disc made of copper (Ø 16 mm, R 0,5 mm), 1 mm thickness, 0,5 mm edge radius
Test disc made of copper (Ø 16 mm, R 0,5 mm)
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Non-Binding Inquiry
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