| 摘要 |
<p>PURPOSE:A metallic powder pigment ink for small tube writing pen that contains pigments of metallic powders, a petroleum resin and a solvent consisting of toluene and xylene and has a specific viscosity, thus showing good ink feed. CONSTITUTION:The objective ink contains (A) a metallic powder pigment, (B) a petroleum resin and (C) a solvent mix, which is composed of toluene and/or xylene in an amount of more than 30wt% based on the total amount of the ink, thus having an ink viscosity of 5-30cps at 25 deg.C.</p> |
