Executive Standard: Q/DGD.004 Product Code: GY13 ST-200 contains a special wetting agent, passivation. With the removal of scale, algae, rust, mineral deposits, rust the metal device passivation function. ST-200 set to rust, passive as a whole, convenient and practical. Features: Security: ST-200 will not corrode metal, damage to the surface. Widely: ST-200 can be removed rust, scale and other dirt, for most of the metal material. Easy: ST-200 contains a special passivation, it sets to rust, passive as a whole, convenient and practical. High: ST-200 can quickly remove rust, algae, scale, mineral deposits, on the weight scale, oxide have effects. Physical and chemical properties: Appearance of the red transparent liquid PH value of 1 the following Density of 1.15 ± 0.02 Uses: Clear precision metal products, components, machinery and equipment both inside and outside of the rust and scale and other dirt. Cleaning construction machinery, trucks, buildings of cement mortar layer. Metal objects rust treatment paint to go. Remove rust and oxide surface of stainless steel. Usage: Severe corrosion of small pieces of metal into the ST-200 directly immersed, generally only 20 to 30 minutes. ST-200 can spray liquid should be connected to large metal objects, if necessary, scrub. Large buildings, construction machinery, toilet cleaning, the ST-200 can be liquid aerosol spray to the surface, rub with a scrubbing brush, the water to fully clean. Coating of metal objects to be rust treatment, immediately washed and dried and then painting. Note: ST-200 with acid, wear rubber gloves when using. If you accidentally touch the skin, wash with water sufficiently. Do not splash the human eye. Packaging: 26L / drum, 208L / barrel Storage: Cool dry place.