RS棕剛玉樹脂砂輪用砂，采用風(fēng)洗，砂干凈雜質(zhì)少，銳利。無明顯大顆粒，粒度較為均勻。適用于樹脂砂輪的制造，堆積密度高馬克砂流動性好，對輥砂咬合度高。
棕剛玉用在磨料磨具上的理化指標(biāo)：
| 用途 | 規(guī)格 | 主要化學(xué)成分% | 磁性物% | |||
| Al2O3 | Fe2O3 | SiO2 | TiO2 | |||
| 磨料磨具 | F60-F80 | ≥95 | ≤0.3 | ≤1.5 | ≤3.0 | ≤0.05 |
| F70-F90 | ≥94 | ≤0.03 | ||||
| F100-F120 | ≥93 | ≤0.3 | ≤1.5 | ≤3.5 | ≤0.02 | |
| 0-320# | ≥93.5 | ≤0.3 | ≤1.5 | ≤3.5 | ≤0.02 | |
| 0-320# | ≥97 | ≤0.5 | ≤0.8 | ≤1.0 | ≤0.02 | |
棕剛玉理化指標(biāo)：
| 用途 | 規(guī)格 | 化學(xué)指標(biāo)% | 磁性物% | ||||
| Al2O3 | Fe2O3 | SiO2 | TiO2 | ||||
| 磨料 | F | 4#—80# | ≥95 | ≤0.3 | ≤1.5 | ≤3.0 | ≤0.05 |
| 90#—150# | ≥94 | ≤0.03 | |||||
| 180#—240# | ≥93 | ≤0.3 | ≤1.5 | ≤3.5 | ≤0.02 | ||
| P | 8#—80# | ≥95.0 | ≤0.3 | ≤1.5 | ≤3.0 | ≤0.05 | |
| 100#—150# | ≥94.0 | ≤0.03 | |||||
| 180#—220# | ≥93.0 | ≤0.3 | ≤1.5 | ≤3.5 | ≤0.02 | ||
| W | 1#-63# | ≥92.5 | ≤0.5 | ≤1.8 | ≤4.0 | — | |
