Emery lapping powder replacement for Fujimi FO
Emery lapping powder Physical properties and Chemical composition %
| item | Size | Specific gravity (g/cm3) | chemical（%） | ||||
| Al2O3 | SiO2 | Fe2O3 | TiO2 | ZrO2 | |||
| Emery lapping powder | #800-#1200 | ≥3.90 | ≥45.0 | ≤20.0 | ≤0.5 | ≤2.0 | ≤33.0 |
| #1500-#3000 | ≥3.90 | ≥40.5 | ≤20.0 | ≤0.7 | ≤2.0 | ≤33.0 | |
PSD(Particle Size Distribution) of Emery lapping powder
| Size | D0(um) | D3(um) | D50(um) | D94(um) |
| #800 | ≤32.0 | ≤27.0 | 11.3±0.9 | ≥6.5 |
| #1000 | ≤27.0 | ≤23.0 | 9.4±0.8 | ≥5.0 |
| #1200 | ≤23.0 | ≤20.0 | 7.1±0.7 | ≥4.0 |
| #1500 | ≤19.0 | ≤17.0 | 5.5±0.5 | ≥3.0 |
| #2000 | ≤15.0 | ≤14.0 | 4.5±0.4 | ≥2.0 |
| #3000 | ≤12.0 | ≤11.0 | 3.6±0.4 | ≥1.5 |
Emery lapping powder Main Applications
–Grinding and polishing of semiconductor wafers
–Surface finishing of various optical glasses
–Grinding and polishing of lenses, prisms, mirrors, filters, etc. of optical crystals.
–Surface finishing of piezoelectric materials
Packing of Emery lapping powder
10kgs pvc bags+pallet
