How do you fix cloudy epoxy after sanding?

How do you fix cloudy epoxy after sanding?

Much easier is take the epoxy down to flat and smooth with, say, 320 or 400 or 600 grit (and yes, still cloudy), lightly scuff the rest of the the table top and then apply a coat or two of your favourite clear finish on top of the whole thing.

Can you sand West System epoxy?

Sand to a smooth finish. If there are runs or sags in the epoxy, begin sanding with 80-grit paper to remove the highest areas. Sand until the surface feels and looks fair. Complete sanding with the appropriate grit for the type of coating to be applied-check coating instructions.

What does epoxy look like after sanding?

You are most likely to notice an amine blush layer in extreme temperatures as a cloudy, greasy layer upon the surface of the resin. The resin surface beneath the amine redness is usually unaffected by this waxy layer, although it is worth removing so as to ease the sanding process.

How do you make sanded epoxy shiny again?

First, apply some of the colorless polishing paste to the cotton or linen cloth and then moisten it slightly with water. Then rub the cloth in slow, circular movements with a little pressure over your work. It may take some time before the surface has the desired shine. So you have to be patient.

Why is my resin dull after sanding?

If the resin has been sanded down, the finish will appear dull and scratched. Use lighter and lighter grit sandpaper until the finish is very smooth. However, It will still be cloudy. Aggressive mixing can whip the resin and add too many tiny bubbles into the resin.

How do you get sanding marks out of epoxy?

Use #800 grit sandpaper and rub in small, circular motions until the scratch is gone. Follow with #1200 grit sandpaper and rub over the surface of the scratch to smooth and blend. Dry with a towel. Polish the surface with a cloth and a polishing compound.

How thick can you pour West System epoxy?

While it is a slower curing system, it still should not be poured more than ¼” deep at a time. We have found that building up castings ¼” at a time allows the epoxy to cure without overheating.

Should you sand between coats of epoxy?

Sanding will not only get out the imperfection but will also serve to provide some tooth between the first and second layers. It will look very scuffed in the short term but do not worry, once you pour the second coat over top, all of those sanding marks will disappear.

What is the best polish for epoxy resin?

TOPFINISH 2 is a fine finish polishing compound developed specifically for tough plastics like epoxy resin. The super fine nano-particle formulation can be used to achieve even higher levels of gloss on polished epoxy resin surfaces or be used to restore gloss to scratched or well-used surfaces.

How do you get cloudiness out of epoxy?

You can cure moisture cloudiness by wetting out the resin or sanding and recoating. With bubbles, you can heat the surface or the bottles, mix slowly, give the mixing time to expel air, stir bubbles out of the mix, blow on the resin, use a toothpick, work in thin layers, use a vacuum chamber and sand and recoat.

Does sanding epoxy ruin it?

It may be difficult to see at all, or it may appear as a thin, greasy or dull layer. However, this so-called amine redness can be removed and underneath it the epoxy resin should be intact. Due to the waxy surface, sanding with normal sandpaper does not work, as it will clog up immediately.

What should I sand before applying West system epoxy?

Before applying epoxy, sand smooth non-porous surfaces—thoroughly abrade the surface. 80-grit aluminum oxide paper will provide a good texture for the epoxy to “key” into. Be sure the surface to be bonded is solid. Remove any flaking, chalking, blistering, or old coating before sanding.

What are the problems with West system epoxy?

POSSIBLE CAUSES & SOLUTIONS 1 Remove epoxy. Do not apply additional material over non-curing epoxy. See Clean Up & Removing. 2 Mix epoxy resin and hardener together thoroughly to avoid resin-rich and hardener-rich areas. See Dispensing & Mixing. 3 Only add fillers or additives after epoxy resin and hardener have been thoroughly mixed. More

How to remove amine blush from West system epoxy?

Dry the surface with paper towels to remove the dissolved blush before it dries on the surface. Sand any remaining glossy areas with 80-grit sandpaper. Wet-sanding the epoxy will also remove the amine blush.

How to prepare a surface for an epoxy coat?

The surface must first be clean, dry and sanded. Allow the final epoxy coat to cure thoroughly. Wash the surface with a Scotch-brite™ pad and water to remove amine blush. Dry with paper towels. Sand to a smooth finish.