Scale Cleaners | McMaster-Carr

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Citric Acid (3-7% Concentration)

Citric Acid (10-25% Concentration)

Hydrochloric Acid (9% Concentration)

Hydrochloric Acid (10-30% Concentration)

Hydrogen Chloride (20-25% Concentration)

Hydrogen Chloride (<10% Concentration)

Hydrotreated Heavy Naphthenic Petroleum Distillates (50-60%)

Phosphoric Acid (20% Concentration)

Phosphoric Acid (40-60% Concentration)

Sulfamic Acid (60-100% Concentration)

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Export Control Classification Number (ECCN)

1C995

EAR99

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NSF/ANSI 60

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USDA Certified Biobased

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36 Products

Stainless Steel Surface Restorers

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	0000000	0000000

		Gels


				Jar	32	Water Based	Harsh	Stainless Steel	Dirt, Rust, Scale, Tarnish	0000000	000000

				Pastes


						Jar	32	Water Based	Harsh	Stainless Steel	Dirt, Rust, Scale, Tarnish	0000000	000000

Scale Removers for Pumps and Heat Exchangers

Remove scale and mineral deposits without damaging aluminum, brass, and other soft metals commonly found in pumps and heat exchangers. These scale removers also prevent new scale from forming when you flush equipment with water after cleaning.

	Container
	Type	Size, gal.	Solution Type	Harshness	For Use On	For Removing		Each
Liquid Concentrates


		Jug	1	Water Based	Moderate	Aluminum, Brass, Bronze, Chrome, Copper, Galvanized Steel, Iron, Plastic, Stainless Steel, Steel	Dirt, Grease, Oil, Scale	0000000	000000

Scale Removers for Chillers and Boilers


Jug	Pail

Remove scale from water-cooled condensers, chillers, and non-potable water boilers.

	Container
	Type	Size, gal.	Net Wt., lb.	Solution Type	Harshness	For Use On	For Removing	Primary Chemical		Each
Liquid Concentrates


		Jug	1	—	Water Based	Harsh	Aluminum, Brass, Bronze, Copper, Iron, Plastic, Stainless Steel, Steel	Dirt, Grease, Oil, Scale	Phosphoric Acid (40-60% Concentration)	0000000	000000
		Jug	5	—	Water Based	Harsh	Copper, Galvanized Steel, Plastic, Stainless Steel, Steel	Dirt, Grease, Oil, Scale	Hydrogen Chloride (20-25% Concentration)	0000000	000000

		Powders


				Pail	—	10	Water Based	Harsh	Aluminum, Brass, Bronze, Copper, Iron, Plastic, Stainless Steel, Steel	Dirt, Grease, Oil, Scale	Sulfamic Acid (60-100% Concentration)	000000	000000

Scale Removers for External Surfaces

Often used on the outside of cooling towers and condensers, these scale removers cling to vertical surfaces to dissolve scale and mineral deposits. Less harsh than other scale removers for external surfaces, they are safe for use on galvanized steel, stainless steel, and soft metals, such as aluminum and brass.

	Container
	Type	Size, gal.	Solution Type	Harshness	For Use On	For Removing		Each
Gels


		Jug	1	Water Based	Moderate	Aluminum, Brass, Bronze, Chrome, Copper, Galvanized Steel, Iron, Plastic, Stainless Steel, Steel	Dirt, Grease, Oil, Scale	0000000	000000

Scale Removers for Drinking Water Chillers and Boilers

Dissolve scale and mineral buildup in drinking water systems with these scale removers. Use them in tanks, evaporators, chillers, boilers, and water heaters.

NSF/ANSI 60—They meet NSF/ANSI Standard 60 for use with components that come into contact with drinking water.

	Container
	Type	Size, gal.	Solution Type	Harshness	For Use On	For Removing	Primary Chemical	Environment	Food Industry Std.		Each
Liquid Concentrates


		Jug	1	Water Based	Moderate	Aluminum, Brass, Bronze, Copper, Galvanized Steel, Iron, Stainless Steel, Steel	Dirt, Grease, Oil, Scale	Hydrogen Chloride (<10% Concentration)	Food and Beverage	NSF/ANSI 60	0000000	000000

Multipurpose Cleaners

Use these cleaners to remove dirt, grime, and stains from most surfaces.

Gels

Gel cleaners are abrasive to scour surfaces such as porcelain and tile.

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

USDA Certified Biobased—USDA certified biobased cleaners are made from plant-based and pH-balanced ingredients.

								Each		Package
	Solution Type	Harshness	For Use On	For Removing	Scent	Specs. Met	Certification		Each	Pkg. Qty.		Pkg.
Squeeze Bottle—17 fl. oz.


		Water Based	Mild	Aluminum, Ceramic, Chrome, Galvanized Steel, Porcelain, Stainless Steel, Steel	Dirt, Dust, Grease, Oil, Lime Stains, Scale, Soap Scum	Lemon	EPA Safer Choice Standard	USDA Certified Biobased	0000000	00000	6	0000000	000000

Dissolvable Packets

Cleaners in dissolvable packets are sized for dilution in 32-fl. oz. spray bottles. Their concentrated design means they take up less storage space than liquid concentrate cleaners, and they don’t require the use of gloves during mixing.

Green Seal GS-37—Cleaners that meet Green Seal GS-37 are certified as environmentally safe for industrial use.

	Solution Type	Harshness	For Use On	For Removing	Scent	Specs. Met	Includes		Each
Jar


	2	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Rubber, Stainless Steel, Steel	Dirt, Dust, Lime Stains, Rust, Scale, Soap Scum	—	—	—	0000000	00000
	2	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Stainless Steel, Steel	Dirt, Dust, Grease, Oil, Scale, Soap Scum	Lavender	Green Seal GS-37	—	0000000	0000
	20	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Rubber, Stainless Steel, Steel	Dirt, Dust, Lime Stains, Rust, Scale, Soap Scum	—	—	32 oz. Spray Bottle	0000000	00000
	20	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Stainless Steel, Steel	Dirt, Dust, Grease, Oil, Scale, Soap Scum	Lavender	Green Seal GS-37	32 oz. Spray Bottle	0000000	00000
	40	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Rubber, Stainless Steel, Steel	Dirt, Dust, Lime Stains, Rust, Scale, Soap Scum	—	—	—	0000000	00000
	40	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Stainless Steel, Steel	Dirt, Dust, Grease, Oil, Scale, Soap Scum	Lavender	Green Seal GS-37	—	0000000	00000
	80	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Rubber, Stainless Steel, Steel	Dirt, Dust, Lime Stains, Rust, Scale, Soap Scum	—	—	—	0000000	00000
	80	Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Stainless Steel, Steel	Dirt, Dust, Grease, Oil, Scale, Soap Scum	Lavender	Green Seal GS-37	—	0000000	00000

Liquids


Aerosol Can	Jug

Parsley Scent—Parsley scented cleaners cut through scum and grease on granite, marble, and other high-shine surfaces without leaving streaks or residue.

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

USDA Certified Biobased—USDA certified biobased cleaners are made from plant-based and pH-balanced ingredients.

								Each		Package
	Solution Type	Harshness	For Use On	For Removing	Scent	Specs. Met	Certification		Each	Pkg. Qty.		Pkg.
Aerosol Can—14 oz.


		Solvent Based	Mild	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Plastic, Porcelain, Stainless Steel, Steel	Dirt, Dust, Grease, Oil, Lime Stains, Scale, Soap Scum	—	EPA Safer Choice Standard	—	0000000	00000	12	0000000	000000

		Jug—1 gal.


				Water Based	Moderate	Aluminum, Ceramic, Chrome, Fiberglass, Galvanized Steel, Porcelain, Plaster, Stainless Steel, Steel, Stone	Dirt, Dust, Grease, Oil, Lime Stains, Scale, Soap Scum	Parsley	EPA Safer Choice Standard	USDA Certified Biobased	0000000	00000	4	0000000	00000

No-Residue Cleaners

Often used to clean sensitive parts and equipment in precision applications, such as electronics and medical device manufacturing, these cleaners rinse away without leaving a residue. They can be used for both manual and ultrasonic cleaning.

Liquid Concentrates

Jug

Citric Acid (10-25% Concentration)—Cleaners with citric acid (10-25% concentration) are phosphate free, making them safe for use on aluminum, brass, bronze, and copper. They also remove rust.

	Harshness	For Use On	For Removing	Primary Chemical		Each
Jug—1 gal.


	Water Based	Moderate	Aluminum, Brass, Ceramic, Chrome, Bronze, Copper, Fiberglass, Galvanized Steel, Glass, Plastic, Porcelain, Rubber, Stainless Steel, Steel	Dirt, Grease, Oil, Rust, Scale	Citric Acid (10-25% Concentration)	00000000	000000

Toilet Bowl and Urinal Cleaners


Bottle	Squeeze Bottle

Dissolve mineral deposits and erase stains in toilets and urinals with these acid-based cleaners.

Hydrochloric Acid (9% Concentration)—Cleaners with 9% hydrochloric acid are suitable for most cleaning jobs.

Hydrochloric Acid (10-30% Concentration)—Cleaners with 10-30% hydrochloric acid remove even the toughest stains and mineral buildups. Note: Use on acid-resistant surfaces only.

Phosphoric Acid (20% Concentration)—Cleaners with 20% phosphoric acid handle a variety of cleaning jobs. You can use them where hydrochloric acid cannot be used.

Citric Acid (3-7% Concentration)—Cleaners with 3-7% citric acid are good for light duty cleaning. They contain cedar oil to deodorize as they clean.

	Container								Each		Package
	Type	Size, fl. oz.	Solution Type	Harshness	For Use On	For Removing	Primary Chemical	Scent		Each	Pkg. Qty.		Pkg.
Liquids


		Bottle	32	Water Based	Harsh	Porcelain	Lime Stains, Rust, Scale	Hydrochloric Acid (9% Concentration)	—	000000000	00000	12	000000000	000000
		Bottle	32	Water Based	Harsh	Porcelain	Lime Stains, Rust, Scale	Hydrochloric Acid (10-30% Concentration)	Wintergreen	0000000	0000	12	00000000	00000
		Bottle	32	Water Based	Harsh	Porcelain	Lime Stains, Rust, Scale	Phosphoric Acid (20% Concentration)	Cherry Almond	000000000	0000	12	000000000	00000
		Squeeze Bottle	24	Water Based	Mild	Porcelain	Lime Stains, Rust, Scale	Citric Acid (3-7% Concentration)	—	00000000	0000	—	———	0

Boiler Cleaners/Conditioners

In addition to cleaning steam and hot water boilers, these conditioners control foam and pH levels to improve boiler efficiency and reduce energy costs. They also have corrosion inhibitors to prevent scale and mineral buildup between cleanings.

	Container
	Type	Size, gal.	Solution Type	Harshness	For Use On	For Removing		Each
Liquid Concentrates


		Jug	1	Water Based	Moderate	Aluminum, Brass, Bronze, Copper, Galvanized Steel, Iron, Stainless Steel, Steel	Dirt, Grease, Oil, Scale	0000000	000000

Lime Stain Removers


Spray Bottle	Jug

Remove lime and hard-water stains with these nonfoaming cleaners. They can be used on most surfaces, including metal and plastic.

	Container						Each		Package
	Type	Size	Solution Type	Harshness	For Use On	For Removing		Each	Pkg. Qty.		Pkg.
Liquids


		Spray Bottle	32 fl. oz.	Water Based	Harsh	Aluminum, Ceramic, Chrome, Concrete, Fiberglass, Galvanized Steel, Glass, Plastic, Porcelain, Stainless Steel, Steel, Vinyl Plastic	Lime Stains, Scale, Soap Scum	000000000	00000	12	000000000	000000
		Jug	1 gal.	Water Based	Harsh	Aluminum, Ceramic, Chrome, Concrete, Fiberglass, Galvanized Steel, Glass, Plastic, Porcelain, Stainless Steel, Steel, Vinyl Plastic	Lime Stains, Scale, Soap Scum	00000000	00000	—	———	0

Air Tool Cleaners

Remove rust, dirt, and varnish from air-powered equipment to keep it running longer. Apply to the inlet of your air tool and connect tool to air line.

	Container
	Type	Size, fl. oz.	Solution Type	Harshness	For Removing	Primary Chemical		Each
Liquids


		Squeeze Bottle	16	Solvent Based	Harsh	Dirt, Scale	Hydrotreated Heavy Naphthenic Petroleum Distillates (50-60%)	0000000	00000