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   » Wiki: Cleaning Agent
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Cleaning agents or hard-surface cleaners are substances (usually , powders, sprays, or granules) used to remove , including , , foul odors, and clutter on surfaces. Purposes of cleaning agents include , beauty, removing offensive odors, and avoiding the spread of dirt and contaminants to oneself and others. Some cleaning agents can kill (e.g. door handle bacteria, as well as bacteria on worktops and other metallic surfaces) and clean at the same time. Others, called degreasers, contain organic solvents to help dissolve oils and fats.

(2025). 9781574447576, CRC Press.


Chemical agents

Acidic
Acidic cleaning agents are mainly used for removal of deposits like . The active ingredients are normally strong and . Often, and corrosion inhibitors are added to the acid.

Hydrochloric acid is a common mineral acid typically used for concrete. can also be used to clean hard surfaces and remove deposits. is used in acidic drain cleaners to unblock clogged pipes by dissolving organic materials, like greases, proteins, and even -containing substances such as toilet tissue.


Alkaline
cleaning agents contain strong bases like or potassium hydroxide. (pH 12) and (pH 11) are common alkaline cleaning agents. Often, , to prevent redeposition of dissolved dirt, and , to attack , are added to the alkaline agent.

Alkaline cleaners can dissolve (including grease), , and -based substances.


Neutral
Neutral washing agents are pH-neutral and based on non-ionic that disperse different types.


Scouring agents
Scouring agents are mixtures of the usual cleaning chemicals (, ) as well as powders. The abrasive powder must be of a uniform particle size.

Particles are usually smaller than 0.05 mm. , calcium carbonate (, , dolomite), , , or are often used as , i.e. agents.

Special bleaching powders contain compounds that release sodium hypochlorite, the classical household bleaching agent. These precursor agents include trichloroisocyanuric acid and mixtures of sodium hypochlorite ("chlorinated ").

Examples of notable products include Ajax, Bar Keepers Friend, , Comet, Vim, Zud, and others.


Purposes

Oven cleaners
Traditional oven cleaners contain Oven cleaner poisoning, The Mount Sinai Health System, retrieved April 18th, 2021 They work best when used in a slightly warm (not hot) oven. If used in a self-cleaning oven, the lye can cause permanent damage to the oven.

Some oven cleaners are based on ingredients other than lye. These products must be used in a cold oven. Most new-style oven cleaners can be used in self-cleaning ovens.


All-purpose cleaners
All-purpose cleansers contain mixtures of anionic and nonionic , or other sequestering agents, , , polymeric compounds, corrosion inhibitors, skin-protective agents, and sometimes and . , such as , are occasionally added to cleaning products to discourage animals and small children from consuming them.

Some cleaners contain water-soluble organic solvents like and , which ease the removal of oil, fat and paint. additives include quaternary ammonium compounds, derivatives, terpene alcohols (), , and aldehyde-amine condensation products.

All-purpose cleaners are usually concentrated solutions of and water softeners, which enhance the behavior of surfactant in . Typical surfactants are alkylbenzene sulfonates, an anionic , and modified . A typical water softener is sodium triphosphate.

All-purpose cleansers are effective with most common kinds of dirt. Their dilute solutions are neutral or weakly alkaline, and are safe for use on most surfaces.


Dishwashing agents

Manual dishwashing detergent

Automatic dishwashing detergents (ADDs)

Laundry detergents

Floor cleaners

Carpet cleaners

Toilet cleaners / hygiene / deodorant products
Toilet bowl cleaning often is aimed at removal of calcium carbonate deposits, which are attacked by acids. Powdered cleaners contain acids that come in the form of solid salts, such as sodium hydrogen sulfate. Liquid toilet bowl cleaners contain other acids, typically dilute hydrochloric, , or . These convert the calcium carbonate into salts that are soluble in water or are easily rinsed away.


Drain cleaners

Metal cleaners
Metal cleaners are used for cleaning sinks, faucets, metal trim, silverware, etc. These products contain (e.g., siliceous , diatomaceous earth, ) with a particle size < 20 μm. Fatty alcohol or alkylphenol polyglycol ethers with 7-12 (EO) units are used as surfactants.

For ferrous metals, the cleaners contain , , and . These agents include and , which are nonaggressive. Surfactants are usually modified . Silver cleaning is a specialty since silver is noble but tends to tarnish via formation of black , which is removable via silver-specific such as .

Stainless steel, , and cleaners contain , , or . A solvent () may be added.

Nonferrous metal cleaners contain , ammonium soaps (, stearate) and (, ).

For special type of precious metals especially those used for luxury watches and high-end jewelry, special type of cleaning agents are usually used to clean and protect them from the Elements. Some examples of these cleaners include jewelry cleaner from Weiman, watch cleaning solution from HOROCD & even cleaning metal plates from Holland Hallmark.


Glass cleaners
Light duty hard surface cleaners are not intended to handle heavy dirt and grease. Because these products are expected to clean without rinsing and result in a streak-free shine, they contain no salts. Typical window cleaning items consist of alcohols, either or like , and surfactants for dissolving grease. Other components include small amounts of as well as dyes and perfumes.

These are composed of organic, water-miscible solvent such as isopropyl alcohol and an alkaline detergent. Some glass cleaners also contain a fine, mild abrasive. Most glass cleaners are available as sprays or liquid. They are sprayed directly onto windows, mirrors and other glass surfaces or applied on with a soft cloth and rubbed off using a soft, lint-free duster. A glass cloth and soft water, to which some methylated spirit or vinegar is added, is an inexpensive alternative to store-bought glass cleaner.

can be freed of tarnish with , and either hydrochloric or .


Building facade cleaners
For acid-resistant building facades, such as brick, acids are typically used. These include mixtures of and hydrofluoric acids as well as surfactants. For acid-sensitive facades such as concrete, strongly cleaners are used such as and thickeners. Both types of cleaners require a rinsing and often special care since the solutions are aggressive toward skin.


Environmental impacts

Common cleaning agents


See also

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