... hardener made of cardanol(CNSL), which could be used for concrete ground floor, coating and special anti-corrosion dope, ... anti-corrosion etc.1), Antisepsis paint: used for steel construction, concrete structure, underground oil, water and natural piping, ... for industry epoxy ground floor bottom, middle coating, and concrete surface and antisepsis metal surface on moisture environment.4). Adhsive: wide ...