PVA whetstone
Sponge Disk
Product Features
- A sponge-like polishing wheel made from polyvinyl alcohol (PVA), which has excellent heat resistance, mechanical strength, and elasticity. When used in dry polishing, a beautiful finished surface can be obtained due to the moderate elasticity of the binder.
- *Not for heavy grinding.
Use
- Removes rust, scratches, and minute burrs from various metals
- Welding surface finishing, plating base polishing, scale removal, tank finishing
- Finish polishing of glass, plastic, wood, etc.
- *Please attach the dedicated pad correctly before use.
- *Do not use water or water-soluble cutting oil as it is for drywall only.
Spec.
| Outer diameter x Thickness x Inner diameter | Abrasive material | granularity | Coupling |
Maximum peripheral speed Number of rotations |
packing | |
| small box | Big box | |||||
| 100x10x15 | C | #46・#60・#80・#120・#220 | M |
45m/s 8,500 rpm |
20-sheet | 100-sheet |
| #320 | ||||||
| #600 | ||||||
| #800 | ||||||
| #1000 | ||||||
Standard selection table for Sponge disk
| Material | Rough finish | Medium finish | Super finish | |
| Metal | aluminum | C46 | C80 | C220 |
| Stainless steel (18-8) | C46 | C120 | C220 | |
| zinc | C60 | C120 | C220 | |
| Brass | C80 | C220 | C320 | |
| copper | C60 | C120 | C220 | |
| Mild steel | C36 | C46 | C120 | |
| cast iron | C46 | C80 | C120 | |
| Hard steel | C60 | C120 | C220 | |
| Non-metal | Plastic | C36 | C220 | C400 |
| wood | C46 | C120 | C220 | |
| Glass | C120 | C220 | C320 | |
