... free, ammonia-free, easy to remove without leaving any traces board cleaner anti-static, alcohol-free, ammonia-free :1.Non-irritation , anti-static, alcohol-free, ammonia-free ... molecules, security, physical adsorption, easy to remove without leaving any traces, but also effective ... Product Nameboard cleaner anti-static, alcohol-free, ammonia-free Product Model EDYJ2006-APlace of OriginGuangzhou, ...