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   MHH-5N Wood-based Panel Scratch Testing Machine   1.Introduction:  This machine is completely in line with GB17657-1999 standard requirements and is mainly used to test the scratch capability of diamond needle under certain force for surface decoration part of wood-based panel..    2. Technical specifications: 2.1 max. test force: 5N; precision: ±2% 2.2 rotational speed:5±1r/min 2.3 testing diameter:Ф90~100mm 2.4 diamond needle:Ф2.35 ×13.3   
 
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