Suitable for offset printing machine 1.Made of various hydrophilic and water-retaining materials. 2.Good PH buffer capacity,reducing tension on the surface of water. 3.Good water-ink balance performance,strengthen water-retaining ability of non text parts. 4.Applicable to various color printing and newspaper printing. 5.Dilution ratio:Original solution:water=1:100 Allow to additive 8~12% ethanol or Propanal