| 摘要 |
<p>PURPOSE: To obtain an ink not deteriorating the luster of printed surfaces, not piling on printing plates or blankets, strong in rubbing durability, and used for offset rotary printing. CONSTITUTION: The ink composition for the lithographic printing contains amorphous polytetrafluoroethylene wax particles having an average particle diameter of 2-4μm wherein >=45wt.% of the all particles have 2-4μm, in an amount of 0.1-5wt.% based on the whole ink composition.</p> |
