Silver surface treatment agent AGR-100 removes tarnish naturally generated over time, allowing surfaces with metallic luster to reappear. [Features] - Great anti-tarnish agent, conforms to MIL-QQ-S-365D specifications for bright silver and semi-bright silver - Powerful protective film made of ammonium sulfide solution - AC-100 forms a protective film through chemical reaction with silver, with strong adhesion that never washes off with water * For details, please download our catalogues or contact us.