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Choosing the correct grit for sanding before polishing is essential to revive that eye-catching shine on your epoxy resin surfaces. The right approach makes all the difference in how glossy and clear your final finish appears.
Selecting the Best Grit for a Glossy Finish
To achieve a glass-like shine, work your way through sanding grits in sequence. Start with coarser grits to remove surface imperfections, but always finish with a very fine grit, typically 3000 or 4000. This final fine sanding step smooths out micro-scratches that would otherwise remain visible after polishing.
- Use 360–4000 grit pads for progressive sanding
- Finish with 3000 or 4000 grit for the smoothest base
The Ebonite Abralon Sanding Pads are available in a full progression of grits, making them an ideal choice for preparing epoxy before moving on to polishing.
Practical Tips for Sanding and Polishing Epoxy
Always sand in a clean, dust-free environment and keep surfaces slightly damp when wet sanding to prevent scratches. After reaching the finest grit, ensure the surface is clean before applying a polishing compound. Choose a polish designed for resin, such as Epoxy Polish, and apply it with a suitable pad or polisher for best results.
When Grit Choice Matters Most
Reaching for the right grit is especially important after correcting deeper blemishes or when restoring heavily-used pieces. Skipping finer grits can lead to a hazy, uneven finish and make polishing much harder. Take your time with the final fine sanding to guarantee a dazzling outcome.
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By using the correct sanding progression—ending with 3000 or 4000 grit—you lay the perfect foundation for polishing and restoring your epoxy’s brilliant shine. For more on rejuvenating epoxy finishes, explore our full guide to making resin surfaces glossy again.