BET Clean PRO, concentrate: Use the concentrate in dilute with demineralised water in a ratio of 1:3. ATTENTION! Undiluted concentrate does not remove concrete, product efficiency is achieved only in the form of diluted solution. The product is intended for effective removal of concrete and cement residues from various metal surfaces as well as from other surfaces that are resistant to acids (for example: tiles, bricks, plastic, granite, etc.). The product does not contain inorganic acids or organic solvents. The product is biodegradable. Instructions for use: At the beginning mechanically clean the surface to be treated and remove as much concrete, cement or mortar remains as possible, then wet the surface with water. Spray the product on the surface to be cleaned and let it work for 5-30 min. Cleaning should be done with cleaning accessories or by hand, using protective gloves, or by using a high-pressure washer. If necessary, treat the surface mechanically with cleaning accessories. Depending on the amount of concrete, cement or mortar residue, repeat the cleaning process several times until the surface has reached desired level of cleanliness. After cleaning, rinse the surface with plenty of water. Store the product in its original packaging, closed, in a cool, dry and well-ventilated place, away from direct sunlight. Storage temperature: from +5 °C to +30 °C. Expiry date: 12 months from the date of manufacture (see packaging) in unopened manufacturer’s packaging. Composition: Demineralized water; Glycolic acid; L-(+)-lactic acid; Nonionic surfactants <5%. Causes severe skin burns and eye damage. Causes serious eye damage. Do not inhale dust / fumes / gas / mist / fumes / spray; Use protective gloves / protective clothing / eye protection / face protection; Wash hands thoroughly after use; ON SKIN (or hair): Remove all contaminated clothing immediately. Rinse the affected area, the skin with water [or take a shower]; IN EYES: Rinse carefully with water for several minutes. Remove contact lenses if they are inserted and if this can be done easily. Continue rinsing; IN CASE OF INHALATION: take the victim to fresh air and ensure unhindered breathing; Dispose of contents/container in accordance with local and international regulations. Protect from children!