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Selecting Cleaning Chemicals for Stone
Detergents are synthetic surface-active agents (surfactants). They are effective at picking up soils and emulsifying grease and oil. These wetting agents are very effective cleaners. When selecting a detergent for stone cleaning its selection needs to be carefully evaluated for compatibility with the stone.
Acids are used for removing grout haze, mineral deposits and rust. Care must be taken as acidic type chemicals will attack lime and cement. Caution must be taken with acids and acidic pH products as they attack the polish on marbles and limestone. Phosphoric acid, citric acid and sulfamic acid is preferred over muratic, sulfuric and hydrofluoric acids in most situations for both safety and control issues.a
Abrasives should only be used on non-polished surfaces. Abrasives can be used in conjunction with detergents or soaps for scouring and removing thin layers from the tile or stone surface.
Bleaches are typically oxidizing agents (generate oxygen) and are helpful in stain removal. Non-hazardous enzyme types are available.
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