1235 Parts Washer Compound

1235 is specifically formulated to deal with the special requirements of cleaning brass or multiple ferrous and non-ferrous alloys in one cleaning operation. It is designed specifically to be used in spray application parts washers and ultra-sonic tanks. Not only is it capable of dispersing large amounts of particulate and solids, but also splitting oil out of solution, thus greatly extending cleaning solution life. Special sequestering agents help prevent scale build up in machines. This product contains inhibitor for interim process protection.

Physical Properties

Appearance: Clear colorless liquid
Specific Gravity: 1.05
pH @ 1% Solution: 10
Odor: Mild
Solubility in water: Excellent
Flash Point: None
Stability: Stable
Foaming Action: Controlled
Metal Safety Aluminum, Steel, Brass, Copper, Zinc
Refer to our Material Safety Data Sheet for additional information.

Usage and Dilution Instructions

For use in spray washer applications use 4 to 8 ounces per gallon of water. Solution operating temperature should be maintained between 120° and 170° F. to maintain optimum cleaning and foaming characteristics. Exceeding 140° F. may discolor sensitive brass alloys.

Handling and Storage

This is a non-combustible alkaline liquid. Use good industrial hygiene practices such as wearing chemical safety goggles, rubber gloves, impermeable apron, and rubber boots as necessary to avoid personal contact with this product. In case of contact, flush eyes and/or skin with plenty of water for at least 15 minutes. Consult physician and remove contaminated clothing promptly. Store product in tightly closed containers between 50° and 85° F. Rotate stock. When stored as stated above, shelf life is a minimum of 2 years.


Progress Chemical guarantees its products will perform to your satisfaction when used in accordance to our recommendations. We back this guarantee with over 65 years experience. Our company has been certified to ISO 9001-2015 Quality Standards.