... mercury lamps).6) Storage period: 12 months.Silk Screen Printing Ink Instructions:7) Screen tone 250-400 meshcount. Doctor hardness is 70°.8 ... , high resistance to alcohol, high wear resistance, can also be screen printing.3.Storage: room temperature 20 °C sealed from light, valid ... paper,dry fast in the paper but not in the printing machine.3)Low toxicity,no smell,low in hydrocarbon etc.4 ...