SMD Foaming Agents FOAM PLUS is a upgraded concentrated premium anionic surfactants which has been formulated for use in the oil & gas, mineral and water well drilling engineering. Advantages: Environmentally friendly and biodegradable, it does not pollute Generates instant high foam quality of exceptional stability Economical, produces stable foam at low concentrations Compatible with all types of makeup water including brackish, salty and hard water Improves hole cleaning and increases penetration rates Recommended Treatment: Mix slowly through a jet mixer or sift slowly into the vortex of a high-speed stirrer. Air drilling: 0.1-0.2% Mist Drilling: 1.0%-2.0% Stiff foam drilling: Mix CHP, 0.1-0.2% as foam stabilizer or CX TROL, 0.2-0.4%, Drilling Foam Foam Plus 1.0-1.5%