RS PRO 500 ml Tin Electrical Cleaner for Contacts, PCBs

The RS PRO 500ml computer cleaning solvent is a fast-drying, high-purity specially formulated for quick and efficient cleaning of electrical equipment. It replaces CFC solvents such as 113 due to rapid cleaning and fast evaporation rates and is 100% ozone friendly.
Warning
Contains flammable solvent

Non-CFC, non-halogenated cleaning solvent will not attack the ozone layer
Excellent removal of greases, oils and general soils from a wide variety of components and assemblies
Leaves a perfectly clean, dry surface while conventional solvents often leave greasy deposits which attract dust and dirt
Harmless to most plastics, rubbers, elastomers, and surface coatings.

Electrical contacts
Tape heads
PCBs
Computers
Optical