300g India imports shellac varnish,Natural Golden shellac,Instant strongThe proportion of imported shellac and alcohol is 1:5 ,shellac is 1,alcohol is 5. When the alcohol concentration in the 95%, add shellac to alcohol, Alcohol can not join shellac. Dissolution time of 2 to 5 hours,After dissolution seal for one week over is the best time(Preferably an alcohol content of 99.9%, Many industrial alcohol actual degree is not enough)