Cillit Bang is the brand name of a range of cleaning products sold by the consumer products manufacturer Reckitt Benckiser

Reckitt Benckiser

Reckitt Benckiser plc is a global consumer goods company headquartered in Slough, United Kingdom. It is the world's largest producer of household products and a major producer of consumer healthcare and personal products...

. The products marketed under the brand name include a degreaser, cleaning crystals, and a grime, rust, mould and limescale

Limescale

Limescale is the hard, off-white, chalky deposit found in kettles, hot-water boilers and the inside of inadequately maintained hot-water central heating systems...

 remover.

The Cillit Bang Power Grime and Lime Cleaner Trigger product contains two acids: sulfamic acid

Sulfamic acid

Sulfamic acid, also known as amidosulfonic acid, amidosulfuric acid, aminosulfonic acid, and sulfamidic acid, is a molecular compound with the formula H3NSO3...

 and phosphoric acid

Phosphoric acid

Phosphoric acid, also known as orthophosphoric acid or phosphoric acid, is a mineral acid having the chemical formula H3PO4. Orthophosphoric acid molecules can combine with themselves to form a variety of compounds which are also referred to as phosphoric acids, but in a more general way...

. Phosphoric acid (also known as orthophosphoric acid or phosphoric (V) acid) is a weak mineral acid with the chemical formula ₃₄ and applied to rusted iron or steel tools or surfaces to convert iron (III) oxide (rust

Rust

Rust is a general term for a series of iron oxides. In colloquial usage, the term is applied to red oxides, formed by the reaction of iron and oxygen in the presence of water or air moisture...

) to a water-soluble phosphate compound.

This cleaner can be used on glass, acrylic plastic, ceramics (wash basins, toilet bowls, etc.), wall and floor tiles, PVC floor coating, chrome and kitchen tops.

It should not be used on any acid sensitive material, such as marble or enamel, aluminium, copper, stone, zinc-plated metals, kitchen worktops, linoleum, varnished, waxed or oiled wood floors, rubber, textiles or carpets.
The Cillit Bang Power Cleaning Crystal is a liquid for cleaning heavily stained surfaces.