Loctite SF 7840 Biodegradable Cleaner Degreaser 709ml

Loctite SF 7840, also known as Loctite Natural Blue and Loctite 7840, is a concentrated, biodegradable cleaner and degreaser. It is a blue, water-based liquid that contains no hazardous solvents and is non-flammable and non-caustic.

It suits removing grease, lubricants, cutting oils, fuel oils, tar, road salt, light carbon, food stains, wax, animal fat, mildew and soot. You dilute it with warm or cold water to suit the job, from heavy degreasing in dip tanks to light cleaning of work areas.

Where this product is used

• Heavy degreasing of engines, motors, castings, valves, bearings and machinery in dip tanks and washers
• Fleet maintenance on vehicles at medium dilution
• Concrete floors, using pressure sprayers, floor scrubbers or steam cleaners
• Exterior siding and asphalt
• Light cleaning of work areas, windows, walls, woodwork, furniture, carpets and countertops

Features

• Concentrate that dilutes with warm or cold water
• Biodegradable and contains no hazardous solvents
• Non-flammable and non-caustic
• Three dilution bands: 1:1 to 1:4, 1:16 to 1:32 and 1:64 to 1:128
• Blue liquid, specific gravity 1.02 at 25 °C
• Suits dip tanks, washers, pressure sprayers, floor scrubbers and steam cleaners

Key specifications

Choosing the right option

Start with a strong mix and weaken it until you reach the most economical concentration that still does the job. For a solvent cleaner used on surfaces just before bonding, see Loctite SF 7063 General Purpose Cleaner - 400ml Aerosol.

See also: Loctite SF 7063 General Purpose Cleaner - 400ml Aerosol, Loctite SF 7617 Industrial Hand Wipes - 75 Wipe Canister, Loctite 230824 Brake And Parts Cleaner Aerosol Spray - 417g.

Using it

Dilute with warm or cold water, soak or spray the surface, then wipe or rinse. Stronger mixes, warm water, agitation and contact time all improve results.

Cleaner residue can stop anaerobic products from curing. Rinse parts thoroughly before threadlocking or sealing.

Rinse parts thoroughly first.

Storage and handling

Store unopened in a dry place. The optimal storage temperature is 8 °C to 21 °C. Storage below 8 °C or above 28 °C can affect the properties of the product.

Limits and safety

It may attack painted surfaces in mixes with less than 20 parts water to 1 part concentrate. Not recommended for pure oxygen or oxygen-rich systems, or as a sealant for chlorine or other strong oxidisers.