供应无腐蚀氟化物铝钎剂
型号于铝-铝、铝-铝合金、铝-不锈钢等钎焊粉成份银焊粉熔点550(℃)昆明市松海商贸有限公司是国内******的贸易有限公司。公司采用工厂***生产、公司快捷服务的模式,秉承为客户创造价值的原则,本着诚实、***、负责的宗旨竭诚为您服务。产品性能:白色晶体粉末,粉末平均粒径在3.5-8.0微米之间,***大的颗粒通过500目标准筛。主成分为KF-ALF二元系低共晶点组成,分子比1.2左右,熔化温度在557-565℃之间。溶解度(20℃,100ml水):0.28&plu***n;0.05g,密度2.7g/cm,堆积密度0.35-0.55g/cm。水溶液PH值:6-7。钎剂熔化时清亮透明,高温下有高活性,能很好地破除金属铝铜表面的氧化膜,使钎料铺展湿润,通过毛细作用钎料被植入钎缝中,常温下钎焊后玻璃状残渣不溶于水,不吸潮,无腐蚀。特别是在氮气保护下钎焊,钎剂用量少,焊后可不清洗,使用方便,显现出强大的优越性。适用范围:应用于铝-铝、铝-铝合金、铝-不锈钢等钎焊中,本产品广泛适用于汽车空调、铝蒸发器、铝散热器、电热电器、铝合金结构件等行业。产品包装:袋装,内塑外编,每袋净重25公斤。桶装,内塑膜,外纸桶,每桶净重40公斤。AL-FLUXPotassiumFluoaluminateINrecentyears,methodhasbeenwidelyusedinzhebrazingprocessofaluminiumanditsalloys.Theproductintroducedhereisjustthebrazingagentusedinthebrazingprocess.PROPERTIES:whitecrystalpowder,***erageparticlesize3.5-8.0μm,andallthrough500meshsieve;composedbyKF-ALF,Molecularratenear1.2,meltingpoint557℃~565℃.solubilityin1000gwaterat20℃is0.23-0.33g/cm,density:2.7g/cm,bulkdensity:0.35-0.55g/cm.PHvalueinwater:6-7.Itisclearandtransparentwhilemeltingandhighlyactiveunderhightemperature;ItcangetrideofALOcoatingonALsurfacetomakethebrazingagentspreadevenlyandwetly.Italsohasgoodjointfillingpropertythroughcapillary.undernormaltemperature,afterbrazing,theglass-likeresiduesisinsolubleinwater,nonhygroscopic,non-corrosionanddem***tratescompletelyinactive.Theusagequantityofthinbrazingagentisquiteless,especiallywhenbrazeundertheprotectionorNitrogen.Itdoesn’tneedtobewashedafterbrazinganditsusageisconvenient,whichshowsitsgreatadvantage.APPLICATION:widelyusedtobrazeal-al,al-alalloyandal-stainlesssteelinprocessautoair-condition,alradiator,e-boilerandalalloycomponentsetc.PACKING:in25kgplasticwovenbagsor40kgfibredrumswithfilmlining)