白刚玉FEPA标准

白刚玉FEPA标准
白刚玉是以工业氧化铝为原料，经电熔提炼结晶而成，它硬度略高于棕刚玉，韧性稍低，纯度高、自锐性好、磨削能力强、发热量小、效率高、耐酸碱腐蚀、耐高温热稳定性好。主要用于喷砂研磨抛光陶瓷制品涂料油石研磨石磨刀石磨具陶瓷膜磨片等

白刚玉粒度砂FEPA标准如下

F8	+4000UM	0	+2800UM	≤20%	+2360UM	≥45%	+2360UM+2000UM	≥70%	-1700UM	≤3%
F10	+3350UM	0	+2360UM	≤20%	+2000UM	≥45%	+2000UM+1700UM	≥70%	-1400UM	≤3%
F12	+2800UM	0	+2000UM	≤20%	+1700UM	≥45%	+1700UM+1400UM	≥70%	-1180UM	≤3%
F14	+2360UM	0	+1700UM	≤20%	+1400UM	≥45%	+1400UM+1180UM	≥70%	-1000UM	≤3%
F16	+2000UM	0	+1400UM	≤20%	+1180UM	≥45%	+1180UM+1000UM	≥70%	-850UM	≤3%
F20	+1700UM	0	+1180UM	≤20%	+1000UM	≥45%	+1000UM+850UM	≥70%	-710UM	≤3%
F22	+1400UM	0	+1000UM	≤20%	+850UM	≥45%	+850UM+710UM	≥70%	-600UM	≤3%
F24	+1180UM	0	+850UM	≤25%	+710UM	≥45%	+710UM+600UM	≥65%	-500UM	≤3%
F30	+1000UM	0	+710UM	≤25%	+600UM	≥45%	+600UM+500UM	≥65%	-425UM	≤3%
F36	+850UM	0	+600UM	≤25%	+500UM	≥45%	+500UM+425UM	≥65%	-355UM	≤3%
F40	+710UM	0	+500UM	≤30%	+425UM	≥40%	+425UM+355UM	≥65%	-300UM	≤3%
F46	+600UM	0	+425UM	≤30%	+355UM	≥40%	+355UM+300UM	≥65%	-250UM	≤3%
F54	+500UM	0	+355UM	≤30%	+300UM	≥40%	+300UM+250UM	≥65%	-212UM	≤3%
F60	+425UM	0	+300UM	≤30%	+250UM	≥40%	+250UM+212UM	≥65%	-180UM	≤3%
F70	+355UM	0	+250UM	≤25%	+212UM	≥40%	+212UM+180UM	≥65%	-150UM	≤3%
F80	+300UM	0	+212UM	≤25%	+180UM	≥40%	+180UM+150UM	≥65%	-125UM	≤3%
F90	+250UM	0	+180UM	≤20%	+150UM	≥40%	+150UM+125UM	≥65%	-106UM	≤3%
F100	+212UM	0	+150UM	≤20%	+125UM	≥40%	+125UM+106UM	≥65%	-75UM	≤3%
F120	+180UM	0	+125UM	≤20%	+106UM	≥40%	+106UM+90UM	≥65%	-63UM	≤3%
F150	+150UM	0	+106UM	≤15%	+75UM	≥40%	+75UM+63UM	≥65%	-45UM	≤3%
F180	+125UM	0	+90UM	≤15%	+75UM	*	+75UM+63UM	≥40%	+75UM+63UM+53UM	≥65%
F220	+106UM	0	+75UM	≤15%	+63UM	*	+63UM+53UM	≥40%	+63UM+53UM+45UM	≥60%

白刚玉微粉FEPA标准

粒度	D3(um)	D50(um)	D94（um)
F230	＜82	53.0±3.0	>34
F240	＜70	44.5±2.0	>28
F280	＜59	36.5±1.5	>22
F320	＜49	29.2±1.5	>16.5
F360	＜40	22.8±1.5	>12
F400	＜32	17.3±1.0	>8
F500	＜25	12.8±1.0	>5
F600	＜19	9.3±1.0	>3
F800	＜14	6.5±1.0	>2
F1000	＜10	4.5±0.8	>1
F1200	＜7	3.0±0.5	>1(at 80%)
F1500	＜5	2.0±0.4	>0.8(at 80%)
F2000	＜3.5	1.2±0.3	>0.5(at 80%)