ALPHANR310B无挥发免洗助焊剂ALPHANR310B(formerly9252)wasspecificallydevelopedtoeliminatethetendencyforsolderballingandsolderbridging-thetwodefectswhicharenormallyassociatedwiththeuseofthechipw***e.Ofalllowsolidsno-cleanfluxeswhichmeetBellcorerequirements,ALPHANR310Bexhibitsthelowesttendencyforsolderballgenerationoverawidevarietyofsoldermasks.ALPHANR310Bshouldbec***ideredforusebyanyassemblerwhohasboarddesignswhicharesensitivetosolderbridging,performspintesting,andwhosespecificationrequiresanextremelylowfrequencyofsolderballs.GENERALDESCRIPTIONALPHANR310BisaVOC-free,halide-free,rosin/resin-free,lowsolids,no-cleanflux.Itisformulatedwithaproprietarymixtureoforganicactivatorswhichdeliverexcellentwettingandtop-sideholefill.SeveralproprietaryadditivesarealsoformulatedintoNR310whichacttoreducethesurfacetensionbetweenthesoldermaskandthesolder;thereby,dramaticallyreducingthetendencyofsolderballgeneration.TheformulationofALPHANR310Bisalsodesignedtobemorethermallystable;thereby,reducingtheoccurrenceofsolderbridging.AlphaNR310BmeetstherequirementsofBellcoreNWT-000078,Issue3.FEATURES&BENEFITS•VOC-freetohelpmeetairqualityregulati***.•Excellentwettingforexceptionalhole-fillevenwithorganicallycoatedbarecopperboa***.•Thermallystableactivatorsprovidethelowestsolderbridginginalowsolids,no-cleanflux.•Reducesthesurfacetensionbetweensoldermaskandsoldertoprovidethelowestsolderballfrequencyofanylowsolids,no-cleanflux.•Verylowlevelofnon-tackyresiduetoreduceinterferencewithpintestingandexhibitnovisibleresidue.APPLICATIONGUIDELINESPREPARATION-Inordertomaintainc***istentsolderingperformanceandelectricalreliability,itisimportanttobegintheprocesswithcircuitboa***andcomponentsthatmeetestablishedrequirementsforsolderabilityandioniccleanliness.Itissuggestedthatassemblersestablishspecificati***ontheseitemswiththeirsuppliersandthatsuppliersprovideCertificatesofAnalysiswithshipmentsand/orassemblersperformincominginspection.Acommonspecificationfortheioniccleanlinessofincomingboa***andcomponentsis5µg/in2maximum,asmeasuredbyanOmegameterwithheatedsolution.Careshouldbetakeninhandlingthecircuitboa***throughouttheprocess.Boa***shouldalwaysbeheldattheedges.Theuseofclean,lint-freeglovesisalsorecommended.Conveyors,fingersandpalletsshouldbecleaned.BioactSC-10SolventCleanerhasbeenfoundtobeveryusefulforthesecleaningapplicati***.FLUXAPPLICATION–ALPHANR310Bisformulatedtobeappliedbysprayorbyw***emethods.Whensprayfluxing,theuniformityofthecoatingcanbevisuallycheckedbyrunningapieceofcardboardoverthesprayfluxerorbyprocessingaboard-sizedpieceoftemperedglassthroughthesprayandthenthroughthepreheatsection.STORAGETEMPERATUREThestoragetemperatureforALPHANR310Bis0-25°Ctopreventphaseseparation.Keepfromfreezing.PhysicalPropertiesTypicalValuesParameters/TestMethodTypicalValuesAppearanceClear,ColorlessLiquidpH2.6SolidsContent,wt/wt3.0RecommendedThinnerDIWaterSpecificGr***ity@25°C(77°C)1.011&plu***n;0.003ShelfLife18monthsAcidNumber(mgKOH/g)Container27.0&plu***n;1.5Size***ailability1,5and55Gal.FlashPoint(T.C.C.)NONEIPCJ-STD-004DesignationORL0汉泰电子辅料有限公司是大陆地区***早从事***T工艺研究与制作的贸易商之一。公司具有多年电子行业从业经验，拥有一支高素质的***技术团队，专注服务于***T和PCB工艺制造焊接材料领域，主营阿尔法助焊剂、阿尔法锡膏、千住锡膏、阿米特锡膏、减摩锡膏、KOKI锡膏、铟泰锡膏、田村锡膏、***T贴片红胶、富士红胶、乐泰胶水、锡丝、锡条等***T焊接材料，欢迎来电咨询洽谈，我们将竭诚为您服务。更多产品信息请登录http://)