Steel passivating agent

Performance: This product is colorless transparent liquid, non-heavy metal ions and harmful substances, nontoxic. After cleaning or black metal parts for protection after long time effectively prevent the metal surface rust or discoloration, and metal passivation does not change color. Usage: after cleaning or after black metal parts into the tap water rinse after metal protection solution soak for 5 minutes and turning parts, in order to ensure adequate protection. Remove the accessories in the air naturally dry. Storage: This product should be sealed and stored in a cool place, fire sunscreen. Packing: 20 kg / barrel