Core Wash is a heavy duty hydrochloric acid wash that strips set concrete and cement from agitators, plant and steelwork. In 20 L, 200 L drums and IBCs.

What it does

Of the three CQVS concrete removers, Core Wash carries the most acid: hydrochloric acid at 10 to 30 per cent, inhibited with hexamine (under 5 per cent) to slow the attack on ferrous plant while the acid breaks down the cement. It is for hardened concrete, mortar and heavy scale that milder acids will not clear quickly. A brown dye shows where it has gone on and when it has rinsed off. It is made for trained operators in bunded wash areas.

Where to use it

Agitator bowls, barrels and fins, chutes, hoppers, batch plant, moulds, steel formwork, pump lines and booms.

How to use

1. Knock off loose concrete, then wet the surface down. Keep it off hot or dry surfaces.
2. Apply neat from the bottom up, using a soft broom or a low pressure applicator rated for acid.
3. Leave it 2 to 5 minutes at most, and never let it dry.
4. Brush, then rinse at once with plenty of clean water.
5. Repeat on stubborn deposits rather than leaving it on longer.

Safe on / avoid

Test a hidden spot first. Keep it off aluminium of any kind, galvanised or zinc coated steel, chrome, stainless steel, painted or powder coated finishes, terrazzo, natural stone and polished or decorative concrete. It attacks most metals and gives off hydrogen. Cover glass and paint, never mix it with other chemicals, and capture and neutralise the acidic rinse water. Read the Safety Data Sheet before use.

Specifications

Pack sizes and delivery

20L Drum, 200L Drum and 1000L IBC. Freight is quoted to your postcode at checkout. Dangerous goods freight applies. More options sit in Acid and Concrete Removal.