カルビーポテト じゃがマッシュ 35g×10袋 For my printing technique The material of silk printing is being used for my printing technique. Material is waterproof paper, a sensitization agent, acetic acid vinyl, Y.M.C.K. pigments, etc. With an ultraviolet ray exposure machine, about eight sheets are exposed using a long-tone or short tone film etc. from one sheet, and development processing is carried out only with water. It is very easy. the organic pigments for sensitization color PIGUMENT