L-55R Cleaning & Deburring Compound

L-55R is an economical cleaning and deburring compound for ferrous andnonferrous metals with added rust inhibitor. It is effective in removing oils and particulate, keeping media clean and thus optimizing its efficiency in the finishing process. This product has excellent detergent, dispersion and inhibiting properties.

Physical Properties

Appearance: Blue Liquid
pH @ 1% Solution: 9.5
Odor: Mild
Foaming Action: Controlled (1/4")
Solubility in Water: Excellent
Rinsing Action: Excellent
Metal Safety: Ferrous and Nonferrous Metals
Flash Point: None
Refer to our Material Safety Data Sheet for additional information.

Usage and Dilution Instructions

For Rotary barrel and vibratory finishing operations use 2 to 6 ounce per gallon of water. Recommended flow rates for vibratory finishing operations are 2 gallons of water per cubic foot of mass per hour. This product contains sodium nitrite to help prevent corrosion of ferrous metals between interim process operations.

Handling and Storage

This is an alkaline product and does not pose any fire hazards. Avoid contact with skin, eyes, and clothing. In case of skin contact, flush with plenty of water for 15 minutes, consult a physician if irritation develops. In case of eye contact, flush with plenty of water for at least 15 minutes and consult a physician. Use good industrial hygiene practices including wearing chemical safety goggles, rubber apron, rubber gloves, andother appropriate protective clothing. Keep product containers tightly closed when not in use. Store in the original container between 45° and 85°F. When stored as 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.