Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to How to polish polyester resin?
Polishing black or coloured resin demands more care than you might expect, as ordinary compounds can often leave unsightly white residue. Picking the right polish ensures your finished piece is deep, glossy, and free from cloudiness.
Why Dark Resin Needs a Specialist Polish
Darker pigmented resins, such as black or deep colours, tend to highlight imperfections—especially any polish that chalks or leaves pale streaks. Standard abrasives may create a haze or subtle speckling effect, so choosing a compound formulated for black surfaces is vital for a uniform, reflective shine. Look for products labelled specifically for dark resin or carbon surfaces to avoid whitening and get the best result.
Polishing Steps for a Mirror Finish
For the most effective finish, begin by smoothing your resin with a high-grit pad, such as those found in the Ebonite Abralon Sanding Pads range (from 360 to 4000 grit). Once the surface is consistently smooth, apply a dedicated dark-surface polish. Products like Carbon Polish are formulated to avoid whitening and deliver a true mirror effect. Work the compound in by hand or with an appropriate polisher, buff thoroughly, and finish with a clean microfibre cloth to enhance clarity and depth.
When This Matters Most
If you are working on coasters, jewellery, or tabletops designed to show off saturated colours, a whitening residue can spoil the look of the entire project. Specialised dark resin polish is essential where visual clarity and a flawless black finish are critical to your piece’s quality.
Related products
Related guides
Using the right polishing compound for black or coloured resin makes a real difference in your results. For more guidance and surface finishing tips, see our full guide on how to polish polyester resin.