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Elcometer 501 Pencil Hardness Tester
瀏覽：1296
日期：2024-07-10
The pencil hardness test, also referred to as the Wolff-Wilborn test, uses the varying hardness values of graphite pencils to evaluate a coating’s hardness. ... Coating Inspection Material Thickness Steel Only All Substrates Thin Substrates Transducers Su...看更多
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