本文來自專業焊錫廠綠誌島焊錫金屬有限公司
助焊劑的種類也會根據具體的應用不同而有著多種分類,一般分為三大類:有機、無機和樹脂係列。
其(qi)中(zhong)無(wu)機(ji)係(xi)列(lie)助(zhu)焊(han)劑(ji)的(de)化(hua)學(xue)效(xiao)用(yong)強(qiang),助(zhu)焊(han)效(xiao)果(guo)相(xiang)當(dang)好(hao),可(ke)是(shi)腐(fu)蝕(shi)性(xing)強(qiang),屬(shu)於(yu)強(qiang)酸(suan)型(xing)焊(han)劑(ji),另(ling)外(wai)無(wu)機(ji)係(xi)列(lie)助(zhu)焊(han)劑(ji)易(yi)溶(rong)於(yu)水(shui),又(you)被(bei)叫(jiao)作(zuo)水(shui)溶(rong)性(xing)助(zhu)焊(han)劑(ji),其(qi)中(zhong)包(bao)括(kuo)了(le)無(wu)機(ji)酸(suan)和(he)無(wu)機(ji)鹽(yan)兩(liang)類(lei)物(wu)質(zhi)。含(han)有(you)無(wu)機(ji)酸(suan)的(de)助(zhu)焊(han)劑(ji)主(zhu)要(yao)成(cheng)分(fen)是(shi)鹽(yan)酸(suan)、qingfusuandeng,hanyouwujiyandezhuhanjidezhuyaochengfenshilvhuaxinhelvhuaandeng,cileizhuhanjiyibanyingyongzaifeidianzichanpindehanjie,dianzichanpindezhuangpeizhongyanlijinzhishiyongcileiwujizhuhanji,zheshiyinweishiyongguowujizhuhanjihou,hanjianshangdecanliuwuruofashengluhuajiuhuiyinfafeichangyanzhongdefushi,suoyibixumashangjinxingyangedeqingxi,yehenbubianyuyongzaidianzichanpindehanjieshang。
有機係列助焊劑,它屬於酸性、shuirongxinghanji。gaixiliedeshuirongxingzhuhanjihanyoudeyoujisuanshiyirusuanheningmengsuanweizhude,cizhongzhuhanjikeyiyingyongzaidianzishebeidezhuangpeishang,zheshiyinweicizhuhanjidehanjiecanliuwujiusuanliuzhehanjianshangyiduanshijianyebuhuifashengyanzhongfushi。youyuyoujizhuhanjimeiyousongxianghanjidezhanchouxing,suoyiyebuhuifangruchangyongdeSMT焊膏中。

樹脂係列助焊劑,通常在電子產品的焊接中使用的就是鬆香樹脂型助焊劑,這(zhe)是(shi)因(yin)為(wei)鬆(song)香(xiang)的(de)焊(han)接(jie)殘(can)留(liu)物(wu)不(bu)存(cun)在(zai)任(ren)何(he)腐(fu)蝕(shi)問(wen)題(ti),所(suo)以(yi)才(cai)在(zai)電(dian)子(zi)設(she)備(bei)焊(han)接(jie)中(zhong)廣(guang)泛(fan)使(shi)用(yong)。此(ci)類(lei)助(zhu)焊(han)劑(ji)隻(zhi)能(neng)溶(rong)解(jie)在(zai)有(you)機(ji)溶(rong)劑(ji)裏(li),所(suo)以(yi)又(you)叫(jiao)作(zuo)有(you)機(ji)溶(rong)脂(zhi)助(zhu)焊(han)劑(ji)。焊(han)錫(xi)的(de)最(zui)佳(jia)溫(wen)度(du)是(shi)250℃左右,這個溫度正好在鬆香的活性範圍裏,鬆香在液態時才具有活性,固態是不具有活性的。
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助焊劑規格
助焊劑的主要成分
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