Tarnish Removers | McMaster-Carr

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47 Products

Metal Brighteners

Bottle

Remove oxidation, discoloration, and heat stains from most metals without causing pitting or other surface damage. Brighteners are often used to finish metal surfaces after welding and other fabrication processes. Dip, wipe, or spray on; then rinse off with water.

	Container
	Type	Size, fl. oz.	Solution Type	Harshness	For Use On	For Removing		Each
Liquids



		Jar	32	Water Based	Harsh	Aluminum, Brass, Bronze, Chrome, Copper, Stainless Steel	Tarnish	7986T998	000000

Stainless Steel Polish/Cleaners

Clean and restore shine to stainless steel surfaces. These cleaners leave a finish that resists dirt, oil, and water spots.

Polish/Cleaner—Liquid


Aerosol Can	Spray Bottle

NSF Registered C1—Cleaners that are NSF registered C1 can be used in non-food-processing areas within food-processing facilities.

EPA Safer Choice Standard—Cleaners that meet the EPA Safer Choice Standard are made of environmentally friendly ingredients. They also help you meet LEED Green Building standards.

Cannot Be Sold Outside United States—Cleaners that cannot be sold outside the United States are restricted by product labeling requirements.

Container									Each		Package
Type	Net Wt., oz.	Solution Type	Harshness	For Use On	For Removing	Food Industry Std.	Specs. Met	Cannot Be Sold To		Each	Pkg. Qty.		Pkg.
Aerosol Can	14	Water Based	Mild	Stainless Steel	Dirt, Grease, Oil, Tarnish, Wax	—	EPA Safer Choice Standard	—	6781T11	00000	12	6781T12	000000
Aerosol Can	18	Water Based	Harsh	Stainless Steel	Dirt, Grease, Oil, Tar, Tarnish, Wax	NSF Registered C1	—	Outside United States	6781T5	00000	12	6781T502	000000
Spray Bottle	16	Water Based	Harsh	Stainless Steel	Dirt, Grease, Oil, Tar, Tarnish, Wax	—	EPA Safer Choice Standard	—	6781T13	00000	6	6781T14	00000

Polish/Cleaner—Wipe

Canister

NSF Registered C1—Cleaners that are NSF registered C1 can be used in non-food-processing areas within food-processing facilities.

Cannot Be Sold Outside United States—Cleaners that cannot be sold outside the United States are restricted by product labeling requirements.

	Wipe									Each		Package
Container Type	Lg.	Wd.	Wipes per Container	Solution Type	Harshness	For Use On	For Removing	Food Industry Std.	Cannot Be Sold To		Each	Pkg. Qty.		Pkg.
Canister	10 1/2"	9 3/4"	30	Solvent Based	Harsh	Stainless Steel	Dirt, Grease, Oil, Tar, Tarnish, Wax	NSF Registered C1	Outside United States	6878T31	000000	6	6878T312	0000000

Nitric Acid

Also known as technical-grade chemicals, industrial-grade chemicals like nitric acid are not suitable for food or medicinal use.

Nitric acid is used for industrial and laboratory applications such as treating wood, pickling and passivating stainless steel, cleaning electronic components, and etching metals.

ACS Reagent Grade—ACS-reagent-grade nitric acid meets quality standards set by the American Chemical Society. ACS-reagent-grade chemicals are also known as Reagent material.

	Container
	Size	Type	Material	Form	CAS No.	Specs. Met		Each
0.3%, Light Viscosity (31 SSU)



		500 ml	Bottle	Plastic	Liquid	7697-37-2	—	3190K957	000000


		4.27%, Light Viscosity (31 SSU)



				500 ml	Bottle	Glass	Liquid	7697-37-2	—	3190K959	00000


				10%, Light Viscosity (31 SSU)



						500 ml	Bottle	Glass	Liquid	7697-37-2	—	3190K964	00000


						20%, Light Viscosity (31 SSU)



								500 ml	Bottle	Glass	Liquid	7697-37-2	—	3190K966	00000


								50%, Light Viscosity (31 SSU)



										500 ml	Bottle	Glass	Liquid	7697-37-2	—	3190K97	00000


										1 L	Bottle	Glass	Liquid	7697-37-2	—	3190K971	000000
										2.5 L	Bottle	Glass	Liquid	7697-37-2	—	3190K972	000000


										70%, Light Viscosity (31 SSU)



												500 ml	Bottle	Glass	Liquid	7697-37-2	ACS Reagent Grade	3190K951	000000


												1 L	Bottle	Glass	Liquid	7697-37-2	ACS Reagent Grade	3190K952	000000
												2.5 L	Bottle	Glass	Liquid	7697-37-2	ACS Reagent Grade	3190K954	000000

Clean Room Metal Polish/Cleaners

Designed for use in Fed. Spec. Class 100 and ISO Class 5 clean rooms, these cleaners won't leave a residue that could attract contaminants. They come sterilized and double bagged. They are also NSF registered A7 for use in food-processing environments as long as they do not contact food.

Polish/Cleaner—Liquid

Image of Product. Front orientation. Polish. Clean Room Metal Polish/Cleaners.

Container
Type	Net Wt., oz.	Solution Type	Harshness	For Use On	For Removing	Clean Room Std.	Food Industry Std.	Cannot Be Sold To		Each
Aerosol Can	8	Solvent Based	Harsh	Aluminum, Brass, Bronze, Chrome, Copper, Stainless Steel	Dirt, Tarnish	Fed. Std. Class 100, ISO Class 5	NSF Registered A7	Outside North America	7456T1	000000

Aluminum Cleaners

Jug

Quickly brighten and clean dull or dirty aluminum surfaces. These cleaners can either be brushed on or sprayed through a pressure washer. No scrubbing required. Good for any acid-resistant surface.

	Container							Each
	Type	Size, gal.	Solution Type	Harshness	For Use On	For Removing		1-3	4-Up
Liquid Concentrates



		Jug	1	Water Based	Harsh	Aluminum	Dirt, Grease, Oil, Tar, Tarnish, Wax	7986T1	000000	000000

Surface Cleaner Clay

Press this sticky clay onto finished surfaces to remove specks of dirt, flecks of paint, and other particles that are not easily washed off. Also known as detailing clay, it pulls up even microscopic contaminants that dull the finish and prevent coatings from bonding to the surface. Use it to prep painted and coated surfaces before applying wax or polish. Spray your surface with water to keep the clay from sticking—this clay will still pick up particles when it's wet. Knead and stretch the clay between uses.

Container
Type	Net Wt., oz.	Color	For Use On	For Removing		Each
Jar	7	Purple	Chrome, Glass, Painted Surfaces	Dirt, Paint Overspray	8411N11	000000

Calcium, Lime, and Rust Removers


Jug	Pail	Drum

Clean rust and lime deposits such as calcium and scale from HVAC systems, coolers, tools, and vehicles. These removers are nonabrasive and noncorrosive, so they won’t damage surfaces. Derived from plants, they don’t contain toxic chemicals such as bleach, ammonia, alcohol, or phosphates. These removers break down quickly, so they won’t pollute air and water. They’re NSF registered for use in food- and beverage-processing facilities, and meet the EPA Safer Choice standard for environmentally friendly ingredients. They also help you meet LEED Green Building standards.

	Container
	Type	Size, gal.	Solution Type	Harshness	For Use On	For Removing	Specs. Met	Food Industry Std.		Each
Liquid Concentrates



		Jug	1	Water Based	Moderate	Aluminum, Brass, Concrete, Copper, Fiberglass, Glass, Linoleum, Painted Surfaces, Plastic, Porcelain, Stainless Steel, Steel, Stone, Vinyl Plastic	Lime Stains, Rust	EPA Safer Choice Standard	NSF Registered A3	7022N11	000000


		Pail	5	Water Based	Moderate	Aluminum, Brass, Concrete, Copper, Fiberglass, Glass, Linoleum, Painted Surfaces, Plastic, Porcelain, Stainless Steel, Steel, Stone, Vinyl Plastic	Lime Stains, Rust	EPA Safer Choice Standard	NSF Registered A3	7022N12	000000
		Drum	55	Water Based	Moderate	Aluminum, Brass, Concrete, Copper, Fiberglass, Glass, Linoleum, Painted Surfaces, Plastic, Porcelain, Stainless Steel, Steel, Stone, Vinyl Plastic	Lime Stains, Rust	EPA Safer Choice Standard	NSF Registered A3	7022N13	00000000

Aluminum Polish/Cleaner/Protectants

Free of abrasives and corrosives commonly found in other metal polish, this polish won’t damage or degrade aluminum surfaces. Use it on bare or painted aluminum to clean, polish, and leave a protective coating in a single application. Often used in the aerospace industry on aircraft exteriors, it is also free of waxes and other ingredients that leave unsightly swirls and restrict repainting or refinishing.

Polish/Cleaner—Paste

Image of Product. Front orientation. Polish. Aluminum Polish/Cleaner/Protectants, Jar.

Jar

Container
Type	Net Wt., lb.	Solution Type	Harshness	For Use On	For Removing		Each
Jar	1	Water Based	Moderate	Aluminum	Dirt, Grease, Oil, Tar, Tarnish, Wax	7398T17	000000

Metal Polish/Cleaner/Protectants

Clean, polish, and protect aluminum, brass, copper, chrome, and stainless steel with this polish. It removes oxidation, tarnish, and surface rust without scratching or dulling brushed finishes.

Polish/Cleaner—Paste


Tube	Jar

Cannot Be Sold To—Polish cannot be sold to the listed areas due to VOC (Volatile Organic Compound) regulations.

Container
Type	Net Wt.	Solution Type	Harshness	For Use On	For Removing	Cannot Be Sold To		Each
Tube	3 oz.	Water Based	Mild	Aluminum, Brass, Bronze, Chrome, Copper, Stainless Steel	Dirt, Grease, Oil, Tar, Tarnish, Wax	California, Canada	70995T5	00000
Jar	1 lb.	Water Based	Mild	Aluminum, Brass, Bronze, Chrome, Copper, Stainless Steel	Dirt, Grease, Oil, Tar, Tarnish, Wax	—	7398T24	00000

Electropolishing Solutions

Smooth, brighten, and passivate metal parts for a mirror-like finish. When current is applied to these solutions, they dissolve microscopic surface flaws from your parts. These solutions contain mild concentrations of acids.

For Stainless Steel—Polish 300-series, 17-4, and 420 stainless steel parts.

	Container
For Use On	Size, gal.	Type	Solution Type	Harshness		Each
Cobalt Chromium	1	Jug	Solvent Based	Moderate	8660N11	000000
Stainless Steel	1	Jug	Solvent Based	Moderate	8660N12	00000

Stainless Steel Surface Restorers

Bottle

These restorers remove weld scale, discoloration, black oxides, and other impurities from stainless steel (also known as pickling) while restoring the corrosion-resistant chromium layer.

	Container
	Type	Size, fl. oz.	Solution Type	Harshness	For Use On	For Removing		Each
Liquids



		Jar	32	Water Based	Harsh	Stainless Steel	Dirt, Rust, Scale, Tarnish	3373K12	0000000


		Gels



				Jar	32	Water Based	Harsh	Stainless Steel	Dirt, Rust, Scale, Tarnish	8554T11	000000


				Pastes



						Jar	32	Water Based	Harsh	Stainless Steel	Dirt, Rust, Scale, Tarnish	3373K22	000000

Electropolishers


Unheated Bath	Heated Bath

Dissolve microscopic surface flaws from metal parts for a mirror-like finish. These electropolishers send current through a conductive solution (sold separately) to remove a layer of surface material. They’re ideal for polishing intricate parts with hard-to-access features. Because they remove material evenly, they’re also good for applications where you need to polish your part without altering its dimensions. They’re small enough to fit on your workbench. Only use them on stainless steel and chrome workpieces.

Unheated Bath—A good basic option. These electropolishers remove material slower than those with a heated bath. They also distribute current less evenly through the solution, so they leave a less uniform finish.

Heated Bath—An upgrade in performance and finish compared to electropolishers with an unheated bath. These electropolishers use a heated solution that removes material faster and distributes current more evenly for a more uniform finish. They also output a higher wattage so you can polish workpieces with a larger surface area.

	Electropolishers												Replacement Electropolisher Cathodes		Replacement Electropolisher Tanks
		Inside			Overall
	Cap., qt.	Lg.	Wd.	Ht.	Lg.	Wd.	Ht.	Wattage, W	Voltage, V AC	Includes		Each		Each		Each
Unheated Bath



		1	4 1/8"	4 1/8"	3 3/4"	9 1/2"	8"	5 1/4"	300	120	Cathode, Straight Clip, Triangle Clip	8571N21	0000000	8571N203	000000	———	0


		Heated Bath



				4	11 1/2"	5 1/2"	5 1/2"	17"	14"	18"	3,000	120	Cathode, Straight Clip	9091N31	00000000	9091N301	00000	9091N303	0000000

Accessories and Replacements for Electropolishers

Electropolishing Solutions

For Stainless Steel—Polish 300-series, 17-4, and 420 stainless steel parts.

For Use On	Container Size, gal.	Container Type	Solution Type	Harshness		Each
Cobalt Chromium	1	Jug	Solvent Based	Moderate	8660N11	000000
Stainless Steel	1	Jug	Solvent Based	Moderate	8660N12	00000

		Each
Straight Clip for Unheated Bath	8571N201	000000
Triangle Clip for Unheated Bath	8571N202	00000
Straight Clip for Heated Bath	9091N302	00000

Passivating Cleaners

Spray

Bottle

Image of Product. Front orientation. Passivating Cleaners. Jug.

Jug

Restore and maintain the surface layer on stainless steel that protects it from corrosion. Also known as passivating fluids, these cleaners are made from citric acid, which removes iron from the surface of stainless steel that has been damaged from machining, heat, or chemicals. This exposes the chromium in stainless steel and reacts with air to form a protective layer. These cleaners also remove dirt, discoloration, and minor corrosion. Unlike nitric acid and other passivating fluids, citric acid does not create dangerous fumes and is safe for use throughout your plant. These cleaners come ready-to-use, so you don’t have to mix them, but you can dilute them with water for 400-series stainless steel and other sensitive parts.

These cleaners meet SAE and ASTM international guidelines for passivating stainless steel. They also meet ASTM international guidelines for descaling and cleaning titanium and titanium alloys.

Liquids—Liquid cleaners are thinner than gel cleaners, making them ideal for submerging parts. When spot cleaning, however, they will drip down vertical surfaces.

Gels—Gel cleaners are thicker than liquid cleaners, so they cling to surfaces. Use them on vertical surfaces, weld joints, and other parts that can’t be submerged.

For Removing Dirt—Cleaners for removing dirt only are less acidic and won’t discolor 400-series stainless steel. Do not use them on parts that have rust.

For Removing Dirt and Rust—Cleaners for removing dirt and rust contain an additive that eliminates existing rust.

	Container
	Type	Size	Solution Type	Harshness	For Use On	Specs. Met		Each
Liquids







				For Removing Dirt and Rust

				Spray Bottle	22 fl. oz.	Water Based	Moderate	Stainless Steel	ASTM A380, ASTM A967, ASTM B600, SAE AMS2700	7373N11	000000


				Jug	1 gal.	Water Based	Moderate	Stainless Steel	ASTM A380, ASTM A967, ASTM B600, SAE AMS2700	7373N14	00000


				Gels







								For Removing Dirt and Rust

								Spray Bottle	22 fl. oz.	Water Based	Moderate	Stainless Steel	ASTM A380, ASTM A967, ASTM B600, SAE AMS2700	7373N13	00000


								Jug	1 gal.	Water Based	Moderate	Stainless Steel	ASTM A380, ASTM A967, ASTM B600, SAE AMS2700	7373N16	00000




										For Removing Dirt

										Spray Bottle	22 fl. oz.	Water Based	Moderate	Stainless Steel	ASTM A380, ASTM A967, ASTM B600, SAE AMS2700	7373N12	00000


										Jug	1 gal.	Water Based	Moderate	Stainless Steel	ASTM A380, ASTM A967, ASTM B600, SAE AMS2700	7373N15	00000