FEPA棕刚玉粒度

FEPA棕刚玉粒度
棕刚玉是以优质铝矾土为原料，无烟煤，铁霄，在电弧中经2000度以上高温熔炼制成，经自磨机粉碎，磁选去铁，筛分成多种粒度，其质地致密、硬度高，韧性好等。适用于制造陶瓷、树脂高固结磨具以及研磨、抛光、喷砂、精密铸造等

FEPA棕刚玉粒度包括粒度砂（F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220）和微粉（F230 F240 F280 F320 F360 F400 F500 F600 F800）其具体粒度分布标准如下

粒度砂粒度标准

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%

FEPA微粉粒度

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