D50 value of brown corundum micropowder
Brown corundum,also called brown fused alumina BFA,brown aluminum oxide etc, is made from Calcined Bauxite. It is a hard and tough material, used in grinding wheels manufacturing (both vitrified and resin bonded) and coated products. These grains are also used for shot blasting and as polishing media.
Zhengzhou haixu abrasives co.,ltd,founded in 1999,has been manufacturing and exporting abrasives for more than 20 years from China.Our factory mainly produce brown corundum,white corundum and silicon carbide.
About brown corundum micropowder,we mainly produce macrogrit and micropowder.
For grit,no matter produced under which standard,they are PSD is almost same,but for micropowder,different standard,has big difference.
Today just conclulate the D50 of brown corundum micropowder which are produced under different standard as follows:
| Size | D50(UM) | Size | D50(UM) | Size | D50(UM) | Size | D50(UM) |
| JIS#240 | 57.0±3.0 | P240 | 58.5±2.0 | F230 | 53.0±3.0 | W63 | 63-50 |
| JIS#280 | 48.0±3.0 | P280 | 52.2±2.0 | F240 | 44.5±2.0 | W50 | 50-40 |
| JIS#320 | 40.0±2.5 | P320 | 46.2±1.5 | F280 | 36.5±1.5 | W40 | 40-28 |
| JIS#360 | 35.0±2.0 | P360 | 40.5±1.5 | F320 | 29.2±1.5 | W28 | 28-20 |
| JIS#400 | 30.0±2.0 | P400 | 35.0±1.5 | F360 | 22.8±1.5 | W20 | 20-14 |
| JIS#500 | 25.0±2.0 | P500 | 50.2±1.5 | F400 | 17.3±1.0 | W14 | 14-10 |
| JIS#600 | 20.0±1.5 | P600 | 25.8±1.0 | F500 | 12.8±1.0 | W10 | 10-7 |
| JIS#700 | 17.0±1.5 | P800 | 21.8±1.0 | F600 | 9.3±1.0 | W7 | 7-5 |
| JIS#800 | 14.0±1.0 | P1000 | 18.3±1.0 | F800 | 6.5±1.0 | ||
| JIS#1000 | 11.5±1.0 | P1200 | 15.3±1.0 | ||||
| JIS#1200 | 9.5±0.8 | P1500 | 12.6±1.0 | ||||
| JIS#1500 | 8.0±0.6 | P2000 | 10.3±0.8 | ||||
| JIS#2000 | 6.7±0.6 | P2500 | 8.4±0.5 | ||||
| JIS#2500 | 5.5±0.5 | P3000 | 6.7±0.5 |