Know tips for Epoxy Resin Polishing | Epoxy Res-iT

How to Polish Epoxy Resin for a Perfect High-Gloss Finish

Epoxy resin is a very flexible material that finds application in furniture, countertops, art work, and crafts. Its capability of producing a glass-like, durable and glossy surface has made it to be favourite among DIY enthusiasts as well as professionals. But to develop an excellent high-gloss finish is not as easy as just pouring it and letting it dry. It would require proper sanding, polishing and buffering processes to help bring out the shine and eliminate either of the bubbles, scratches or dull spots. In this guidebook, we are going to provide all the information that you should know about polishing epoxy resin, what kind of tools to use, how to polish it, the most frequent mistakes, etc.

What is the importance of polishing epoxy resin?

Epoxy resin can be polished to make it look clear and shiny, thus look more professional and attractive. These are some of the reasons as to why polishing is necessary:

• Eliminates Flaws: Sanding and polishing serves to remove surface bubbles, uneven surfaces and scratches, making the surface smoother.
• Improves Gloss and Shine: When an epoxy resin work is well polished it will have a perfect mirror-like appearance which will bring out the appearance of the piece.
• Enhances Durability: When resin is well polished, it tends to resist scratches and damage hence last long.
• Produces a Professional Finish: An elegant finish can enhance greatly the worth and attractiveness of your resin work.

Tools and Materials You Need to Polish Epoxy Resin

To get started with epoxy resin polish, gather the following tools and materials:

Sanding Tools

• Sandpaper Grits: Coarse sandpaper (400) to proceed with finer grits (3000) in order to have a smooth surface.
• Water Spray Bottle: Wet sanding helps to avoid overheating and dust development.
• Sanding Block: This Presses a level surface.

Polishing Tools

• Polishing Compound: A good quality polishing compound will assist in getting a mirror finish.
• Buffing Pads: These are used to work and spread the polishing compound.
• Microfibre Cloths- To wipe off excess compound.
• Electric Polisher/Drill with Buffing Attachment: Accelerates the polishing and gives it a smooth finish.

Safety Gear

• Gloves: Cases your hands with chemicals and abrasives.
• Goggles: Protects your eyes against dust and debris.
• Dust Mask: It is an item used to prevent inhalation of fine particles during the sanding process.

Step by Step Polishing of Epoxy Resin

Step 1: Surface Preparation

Make sure that the epoxy glue has fully dried and then polish it. The curing time takes 24-72 hours based on the brand and the weather conditions. An already cured resin will be difficult to feel and not sticky.

In cases where the surface is bumpy or has marks which are visible, then you have to scrap the surface with utility knife or razor blade and then sand.

Step 2: Wet Sanding to a Smooth Finish.

Wet sanding is essential for polishing epoxy resin:

• Start with 400-Grit Sandpaper: Wet the surface using water. Spinning movements to maintain the sand sandy. The surface is supposed to be sanded and then rinsed with clean water.
• Move to 800-Grit Sandpaper: Again sand the procedure keeping it well covered. The surface should be wet so that dust and overheating can be minimised.
• Continue with 1000, 1500, 2000 and 3000-grit sandpaper: Each grit is further refined and smoothed over the surface. Clean the table with changing grits.

After this process is complete, the resin has to feel silky and should not have any scratches.

Step 3: Application of Polishing Compound.

Sanding follows and this is followed by the application of polishing compound to give shine.

• Choose a nice Polishing Compound:Choose a high-quality epoxy resin polish and apply a small amount to the surface.
• Buff the Surface: Smear the compound with a microfibre cloth or buffing pad to flatten the compound. In case it is necessary to use a polisher with electric current, then put the polisher on a low speed and polish in rotary movements.
• Repeat if Necessary: In case the surface is not glossy enough, it is required to apply the second coating, and again polish it.

Step 4: Finalizing with High-Gloss Finish.

The final finish will be required using a clean microfibre cloth to achieve the required glass-like lustre. Continue buffing till the surface becomes a smooth mirror. When the occasion needs, it is advisable to have a layer of thinly applied wax or a protective coating to enhance the shine and also maintain it.

Step 5: Cleaning and Protection.

• Wipe the Surface: wipe it using a piece of lint-free cloth.
• Finish Coating: This can be achieved by applying some clear resin coating/wax to preserve the shiny appearance.
• Should not be left in Direct Sunlight: as a result of the long term exposure to the UV rays, the epoxy resin can turn yellow.

Common Mistakes to Avoid

• Lack of Sanding Steps: One can rush through the sandpaper grits leaving visible scratches.
• With Dry Sandpaper: This is so that it does not overheat, and sand is always wet.
• Exerting too much Pressure: The sandpaper and polishing pads can do it.
• Omission of Between Steps Cleaning: The residual of one step could influence the overall performance of polishing.

Washing an Epoxy Resin Surface (Glossy)

• On a regular basis: Wipe using a damp cloth and dilute soap.
• Strong Chemicals not to use: Grassy Cleaners can be washed with time to lose its shine.
• Wax Always after a few months: The wax is to be applied every few months in a fine coat again to maintain the shine and protection.

Perfect Finishes with Res-iT Epoxy Resin Kits

To attain the best finish which is a high gloss finish, it is advisable to use Epoxy Res-iT which providing the best epoxy resin kits. Our resin is premium and therefore crystal clear and our countertops, furniture is also of the same quality and very durable. Create your imagination in art with Epoxy Res-iT - quality and lustre meet to make the finish of perfection!

FAQs

How to sand resin without scratching?

Add water to always sand resin and apply light pressure. Begin with rough sandpaper and then move on to finer sandpaper to make sure that the scratches do not get bigger and smooth out.

What grit sandpaper for epoxy resin?

Use 400 or 600 grit if the surface is rough. Step-by-step movements to 1000-2000 grit are then made one at a time to make the resin smooth, then polish it.

how to polish resin to high gloss?

Apply resin polish or compound with a soft cloth or buffer. Massage it until the surface becomes clear and glass-like.

Final Thoughts

Polishing epoxy resin is a rewarding process that transforms dull, rough surfaces into stunning, glossy masterpieces. Using the right techniques, tools, and epoxy resin polish, you can achieve a professional-level finish every time.