【英文标准名称】:StandardTestMethodsforWaterPickupofLithographicPrintingInksandVehiclesinaLaboratoryMixer
【原文标准名称】:试验搅拌器中石印印刷油墨和载色剂的水粘附性的试验方法
【标准号】:ASTMD4942-1989(2006)
【标准状态】:现行
【国别】:
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.56
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:印刷油墨;分析;含水量;试验;石印术
【英文主题词】:emulsification;fountainsolution;inks;lithographicprintinginks;mixers;printinginks;vehicles;watercontent;waterpickup
【摘要】:Thelithographicprintingprocessrequiresthatsomedampeningsolutionbeemulsifiedintotheink.Thesetestmethodsprovidearapidmeansfordeterminingwaterpickupunderlaboratoryconditions.Testresultsmaybeusefulforspecificationacceptancebetweenthesupplierandthecustomer.Inorderthatresultsbecomparable,thetestsmustberunatthesametemperatureandwiththesametypeandquantityofliquidaddedpriortomixing.Theemulsionsobtainedinthesetestmethodsareoflargerparticlesizethanthosetypicallyproducedinprintingnips.Becauseoftheseandothervariablesintheprintingprocess,waterpickupresultsdonotbythemselvespredictlithographicprintingperformance.1.1Thesetestmethodscovertwoproceduresfordeterminingtheamountofwaterpickedupbylithographicprintinginksinalaboratorymixer.1.2TestMethodAcoverssingle-pointwaterpickup;TestMethodBcoverstherateofwaterpickup.Bothtestmethodsareapplicabletoanyprintinginkandvehicleintendedforthelithographicprintingprocess.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A17
【国际标准分类号】:87_080
【页数】:3P.;A4
【正文语种】: