LB-502 Compound

LB-502 Compound is a acidic product formulated to descale copper and brass and remove solder, flux, and oxidation. It is designed to use in soak tanks or ultrasonic cleaning systems.

Physical Properties

Appearance: Clear Liquid
pH @ 1% Solution: 2.0
Odor: Mild
Foaming Action: Controlled
Solubility in Water: Complete
Rinsing Action: Excellent
Metal Safety: Copper and Brass
Flash Point: None
Specific Gravity: 1.07
Stability: Stable
Refer to our Material Safety Data Sheet for additional information.

Usage and Dilution Instructions

For descaling copper and brass and removing solder, flux and oxidation from metal parts in soak tanks or ultrasonic cleaning applications, use 5 - 7 ounces per gallon of water. Solution temperature should not exceed 140° -160° F.

Handling and Storage

This product does not pose any fire hazards. Use good industrial hygiene practices such as wearing rubber gloves and an impermeable apron to protect skin. Chemical safety goggles and face shield should be worn to protect face and eyes. If eye contact occurs, flush with plenty of water for at least 15 minutes and consult a physician. In case of skin contact, flush with copious amounts of water, removing contaminated clothing and shoes. 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.