油墨粘度杯主要用于测量油墨粘度，有测量准确，操作方便，提高印刷效果等优点。　　产品规格：2#、3#、4# 【Viscosity Measuring Glass】Is it measure printing ink viscidity to use for mainly , have measurement to be accurate , easy to operate and raising and printing such advantages as the result ,etc.. The specifications:NO.2、NO.3、NO4