Answers tagged "wet sanding"

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Use this when water-assisted sanding stages are involved.

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2000 grit does not make the surface shiny

The surface looks smooth after 2000 grit but still looks dull or hazy.

Use 1500, 2000, then 3000 before polishing. After 3000, use the correct polish for the material.Wet for clear coat, plastic, resin, and similar fine finishing work.

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Can I reuse wet sandpaper?

Wet sandpaper may cut poorly after it has already been used.

Reuse only while the abrasive still feels sharp and clean. Replace it when it feels smooth, loaded, or torn.Wet.

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Can I sand a fiberglass tub?

Fiberglass tubs can become dull, scratched, or damaged if sanded too aggressively.

For small surface marks, test 1000, 1500, then 2000 wet in a hidden area.Wet.

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Can I sand a granite countertop?

Granite countertop sanding can leave dull spots or uneven polish.

Avoid sanding polished granite. For minor test work, use only 2000 or 3000 wet in a hidden area.Wet only for very fine test work.

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Can I sand a mirror edge?

Mirror edges can chip or lose backing if sanded carelessly.

For exposed glass edges only, use 600, 800, and 1000 wet with very light pressure.Wet on the glass edge only; keep water away from vulnerable backing.

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Can I sand a porcelain tub?

Porcelain tub surfaces can be permanently scratched by regular sandpaper.

Do not use standard sandpaper for normal porcelain tub cleaning or shine restoration.Wet sanding should only be used as part of a specific refinishing system.

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Can I sand a quartz countertop?

Quartz countertop scratches or dull spots can get worse with normal sandpaper.

Do not start with coarse grit. For minor test areas only, use 2000 or 3000 wet and polish afterward.Wet only for very fine test work.

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Can I sand an acrylic tub?

Acrylic tubs can turn dull or scratched if sanded with coarse grit.

Use 1000, 1500, 2000, and 3000 only for light scratches before polishing.Wet.

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Can I sand carbon fiber clear coat?

Carbon fiber parts can be damaged if sanding cuts through the clear coat.

Use 1000, 1500, 2000, and 3000 only on the clear coat before polishing.Wet.

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Can I sand carbon fiber?

Carbon fiber sanding can create harmful dust and can damage the weave or clear coat.

For clear coat only, use 1000, 1500, 2000, then 3000 wet before polishing.Wet for clear coat finishing to reduce dust.

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Can I sand ceramic glaze?

Ceramic glaze can become dull, scratched, or uneven after sanding.

Avoid sanding visible glaze. For tiny high spots, test 1000 or finer wet.Wet.

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Can I sand chrome?

Chrome can scratch, dull, or flake if it is sanded incorrectly.

Avoid sanding decorative chrome. For damaged chrome that will be refinished, use 800, 1000, 1500, and 2000 carefully.Wet for fine correction work on damaged chrome.

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Can I sand granite?

Granite can show dull spots or visible scratches after sanding.

Avoid sanding polished granite for cleaning. For small repair testing, use 1000 or finer wet.Wet.

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Can I sand green or wet wood?

Green or wet wood can clog sandpaper and dry unevenly after sanding.

Let wood dry first. After drying, use 120, 180, and 220 for normal prep.Dry after the wood has dried.

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Can I sand scratches on a plastic kayak?

Plastic kayaks can fuzz, smear, or lose texture if sanded aggressively.

Use 220 or 320 for rough gouge edges, then 400 or 600 for smoother blending.Wet for finer stages.

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Can I sand vinyl plastic?

Vinyl plastic can become scratched, fuzzy, or damaged when sanded aggressively.

Use 600 or finer only for very light scuffing on hard vinyl surfaces. Avoid sanding soft flexible vinyl.Dry for light scuffing; wet only on hard surfaces where residue can be controlled.

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Can I skip grits?

The user wants to know whether grit steps can be skipped.

Use gradual steps such as 80, 120, 180, 220, 320, 400, 600, and finer where needed.Dry or wet depending on surface and stage.

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Can I use sandpaper on marble?

Marble can scratch, etch, or become uneven if sanded with the wrong abrasive.

Do not use standard sandpaper for visible marble polishing. Use stone-specific refinishing abrasives.Wet methods are normally used for stone refinishing.

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Can I use this sandpaper on glass?

The user wants to know whether the sandpaper is suitable for glass work.

Use ultra-fine wet sanding only: 1000, 1500, 2000, then 3000.Wet for glass-related fine work.

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Can I wet sand wood?

Wet sanding bare wood can raise the grain and make the surface feel fuzzy.

Use dry sanding for bare wood: 120, 180, then 220. Use wet sanding only on cured finishes when the finish maker allows it.Dry for bare wood; wet only on cured finish coats.

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Can sandpaper remove ceramic sink scratches?

Ceramic sink scratches may not disappear with normal sanding.

Start with cleaning first. For minor surface marks, test 1000, 1500, then 2000 wet in a hidden spot.Wet.

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Can sandpaper remove porcelain tile scratches?

Porcelain tile can become dull or scratched if sanded incorrectly.

Avoid sanding polished porcelain. For minor edge work only, test 1000 or finer wet.Wet.

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Can sandpaper sharpen a knife?

Knife edges can be refined with sandpaper, but the angle must stay controlled.

Use 400 or 600 for edge work, then 1000, 2000, or 3000 for finer refinement.Dry or wet depending on backing and method.

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Can sandpaper sharpen chisels?

A chisel edge is dull and needs sharpening or edge refinement.

Use 400 or 600 for edge repair, then 1000, 1500, and 2000 for sharpening refinement.Dry or wet depending on the sharpening setup.

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Can sandpaper smooth tile edges?

Cut tile edges can feel sharp or slightly rough.

Use 220 or 320 for rough ceramic edges, then 400 or 600 for smoother edges.Wet.

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Can this sandpaper be used wet and dry?

The user wants to know whether the sandpaper can be used wet or dry.

Use coarse and medium grits dry for shaping; use fine and ultra-fine grits wet for suitable finishing work.Wet or dry use.

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Can wet/dry sandpaper be used without water?

Wet/dry sandpaper can confuse customers because the name includes wet and dry.

Use dry sanding for early shaping and wood prep. Use wet sanding for fine finishing, clear coat, plastic, resin, and polishing prep.Wet or dry.

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Choosing a starting grit

It is unclear which grit to start with.

Use 60–120 for heavy removal, 150–240 for normal prep, 280–400 for fine prep, and 600–3000 for fine wet sanding or finishing stages.Use dry sanding for removal and normal prep. Use wet sanding for finer stages when the surface can safely be rinsed.

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Clear coat is hazy after 1000 grit

Clear coat looks dull or hazy after sanding with 1000 grit.

Refine 1000 grit marks with 1200, 1500, 2000, and 3000 before polishing.Use wet sanding with clean water and light pressure when the clear coat is fully cured and safe to wet sand.

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Clear coat looks cloudy after sanding

Clear coat looks cloudy or dull after wet sanding.

Refine with 1500, 2000, then 3000.Wet.

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Cutting through finish between coats

Sanding between coats removes too much finish or cuts through the coating.

Use 400 for stronger primer or paint leveling. Use 600, 800, or finer for thin coats and final smoothing.Use dry sanding when the coating must stay dry. Use wet sanding only when the coating is fully cured and water-safe.

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Deep lines remain on clear coat

Fine sanding leaves some deeper lines in clear coat.

Wet sand through 1000, 1500, 2000, and 3000. Use 800 only to correct deeper lines.Wet.

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Do I need a sanding block?

Hand sanding leaves waves, finger marks, or uneven pressure marks.

Use the same grit sequence, but wrap the sheet around a flat block for flat areas.Dry or wet depending on the sanding stage.

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Does sandpaper expire?

Old sandpaper may feel weak, curled, or less effective.

Use the same grit if the sheet is clean, flat, and still cuts. Replace old sheets that are curled, contaminated, or worn.Applies to both wet and dry use.

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Dry sanding clear coat leaves scratches

Clear coat shows visible scratches after dry sanding.

Use clean wet sanding with 1000, 1500, 2000, and 3000 for clear coat refinement.Wet.

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Dry sanding leaves dust scratches

Dry sanding leaves visible dust scratches on the surface.

Use the grit needed for the task, then refine one step finer after cleaning. For prep work, move from 220 to 320 or from 320 to 400.Use dry sanding when the material must stay dry. Use wet sanding on water-safe surfaces to help carry away fine residue.

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