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RC-4 is a safe water soluble liquid concentrated cleaner specifically formulated for surface equipment clean-up of synthetic drilling muds. This unique cleaner will completely emulsify and remove synthetic muds leaving surfaces water-wet with no oil film or residue. RC-4 is formulated with environmentally friendly surfactants and may safely be used on painted surfaces, plastics, fabrics, metals, etc.

Typical Physical Properties

Appearance Purple, Clear Liquid
Odor Slight
Specific Gravity @ 60°F 1.00 – 1.02
Density (lbs./gallon) 1.020 g/ml
Flash Point >200°F (TCC)
pH 8 – 10


RC-4 may be used as a general purpose cleaner and rig wash. RC-4 is safe for use on painted surfaces, metals, plastics, etc. Please consult a RIG-CHEM representative for specific volumes.


RC-4 is proven to be especially effective in cleaning all types of synthetic based muds.

RC-4 is safe to fabrics and may be used in the laundry to clean muddy work clothes.

RC-4 is highly concentrated and may be diluted many times depending on the synthetic mud conditions.

Treated surfaces will easily rinse clean, leaving no residual film when used properly.

Environmental Data

RC-4 is formulated to be environmentally friendly. It is biodegradable, non-flammable, non-corrosive, non-toxic and non-hazardous. RC-4 is safe to human health and contains no butyl, aliphatic or aromatic solvents, abrasives, caustic soda or chlorinated hydrocarbons.


Apply RC-4 cleaning solution to the soiled surface by spraying, cleaning or brushing. Allow to sit for 3-10 minutes depending on the severity of the contamination, but do not allow the solution to sit long enough to dry out. If possible, scrub the surfaces with a brush or broom. Hose off with water under pressure. Concentration depends on age, thickness, and condition of the SBM being cleaned.


Improper handling of this chemical or any other chemical deemed as an “industrial chemical” can be injurious to workers. Observe all safety precautions shown and labeled in Safety Data Sheet.