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The Dremel 421 Polishing Compound is an invaluable tool for anyone looking to restore a brilliant shine to metal and plastic surfaces. It effectively tackles dullness, oxidized film, and light surface imperfections, making it ideal for brightening and polishing a variety of items. While highly effective, achieving the best results requires careful selection of polishing accessories and adherence to recommended tool speeds.
| Model Part Number | 2615042132 |
|---|---|
| Brand | Dremel |
The Dremel 421 Polishing Compound is effective on both metal and plastic surfaces.
For applying the compound, use felt or cloth polishing accessories such as #414, #422, #423, and #429, or nylon bristle brushes #403, #404, and #405. For removing residue and final buffing, use a clean cloth wheel accessory or a soft cloth.
For best results, keep the tool speed low when applying the compound, especially with felt or cloth bits. The maximum recommended RPM is 20,000. Higher speeds can cause the compound to overheat or fling off.
No, this compound is designed for removing dull oxidized film and light surface imperfections. For deep scratches, you may need to use coarser abrasives first, followed by this compound for finishing.
Felt and cloth accessories can be cleaned by gently scraping off hardened compound or by using a stiff brush. Regular cleaning helps maintain performance and prevents scratching.
While generally safe for plastics, it's always recommended to test the compound on an inconspicuous area of your plastic item first to ensure compatibility and desired results.
Ensure you are using the correct accessory (felt/cloth for application, clean cloth for buffing). Apply compound sparingly and work at a consistent, low speed. The compound works by abrasive action, so light pressure and consistent movement are key. Make sure the surface is clean before starting.
This often indicates the tool speed is too high, or too much compound has been applied to the accessory. Reduce the RPM of your Dremel tool and apply less compound to the polishing bit. Keep the tool's maximum RPM at 20,000 or below when using this compound.
After polishing, switch to a clean, soft cloth wheel accessory or a separate, clean microfiber cloth to gently buff away any remaining compound and bring out the final shine. Ensure the cloth is free of any abrasive particles.
The Dremel 421 Polishing Compound is used in conjunction with your Dremel rotary tool and compatible polishing accessories. There is no complex 'setup' for the compound itself, but proper accessory selection is key.
This polishing compound is designed for use with a variety of Dremel cleaning and polishing bits and bristle brushes.
Compatible Polishing Bits:
It is suitable for polishing metals and plastics. Always test on an inconspicuous area first, especially with plastics, to ensure compatibility and desired results. The maximum recommended RPM for use with this compound is `20,000`.
