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Sirinding Wheel Technical Specification According to China Standard GB6408-86, GB 6406.2-86, GB 6406.3-86, GB 6406.4-86 Grit Size Available (mesh) For CBN Crystal (mesh) 60/70,60/80,80/100.100/120,120/140,140/170,170/200,200/230,230/270,270/325,325/400,400/500mesh For CBN micron powder (micron) 0-1,0-2,0.5-1,1-2,1-3,2-3,2-4,3-5,3-6,4-8,5-7,5-9,5-10,6-12,7-12,8-16,10-14,10-20,12-22,14-20,15-25,20-25,20-28,20-30,20-40,22-36, 30-40,36-54,40-50,40-60micron
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