Our solvent based inks has two grades ,the raw material of Grade A is imported(Ciba/Clariant 7-8 grades pigment), 24 months outdoor life.The raw material of Grade B is ordinary in China(ordinary 6-7 grades pigment),18 months outdoor life ,they can widly used for XAAR 126/128/500 print heads and SPACTRA printheads. They are featured as high weather resistant, clog-proof, fine liquidity, abundant & vivid color and longer shelf life, etc.