Hi-Lap PVA Polishing Disc
The Hi-Lap PVA Disk series by Nihon Tokushu Kento is a premium line of flexible grinding wheels designed for high-precision surface finishing. Utilizing a unique PVA (Polyvinyl Alcohol) bond, these disks offer an elastic touch that prevents over-grinding and reduces heat buildup.
Key Features
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Flexible PVA Bond: Provides a smooth, cushioned grinding action for superior surface refinement.
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High-Speed Performance: Rated for a maximum speed of 8,500 RPM ($45\text{ m/s}$).
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Wide Range of Grits: Available in various grades to suit every stage from coarse preparation to mirror-like finishing.
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Bulk Packaging: Disks are conveniently supplied in quantities of 20 per carton.
Available Grit Sizes
| Application | Grit Options |
| Coarse / Medium | No. 46, No. 60, No. 120 |
| Fine Finishing | No. 220, No. 320, No. 500 |
| Ultra-Fine Polishing | No. 1000, No. 1500 |



