無鉛焊錫膏變幹是什麼原因 - 綠誌島—領先綠色科技
本文來自專業焊錫廠綠誌島焊錫金屬有限公司
當問題發生,大部分情況下我們首先需要做的是了解狀況發生的原因,然後對症下藥解決問題。我們都知道焊錫膏是shi要yao放fang到dao冰bing櫃gui中zhong冷leng藏zang起qi來lai的de,如ru果guo新xin製zhi的de焊han錫xi膏gao沒mei有you馬ma上shang放fang入ru冰bing櫃gui中zhong,或huo是shi幹gan脆cui放fang在zai室shi溫wen環huan境jing下xia,就jiu會hui很hen容rong易yi使shi焊han錫xi膏gao變bian質zhi,溶rong劑ji揮hui發fa快kuai,失shi去qu活huo性xing變bian幹gan。然ran後hou溫wen度du不bu適shi宜yi隻zhi是shi焊han錫xi膏gao變bian幹gan的de一yi個ge方fang麵mian的de原yuan因yin。
ruguohanxigaozhongdeshiduguoda,hanxigaohuixishuiyuhanxigaochengfenzhongdesongxiangfashenghuahezuoyong,shihanxigaobiangan。youqianhanxigaoderunshixingbiwuqianhanxigaoyaohao,zheshihanxigaozhongdejinshuchengfendexingzhijuedingdexiaoguo,yaoxiangdadaotongyangdexiaoguo,jiuyaocongqitadehanxigaochengfenzheshoukaolv。
鬆香是主要的助焊劑,如果使用了穩定性不好的鬆香做成的無鉛焊錫膏,在溫度較高的環境下就很容易發生變質,使焊錫膏變幹的可能性變大。
而有機酸、抗kang氧yang化hua劑ji和he活huo性xing劑ji這zhe些xie焊han錫xi膏gao成cheng分fen,不bu斷duan的de相xiang互hu反fan應ying,就jiu決jue定ding了le焊han錫xi膏gao的de焊han接jie效xiao果guo,這zhe也ye就jiu可ke能neng使shi得de焊han錫xi膏gao性xing質zhi不bu穩wen定ding而er變bian幹gan。溶rong劑ji若ruo用yong醇chun類lei,就jiu會hui因yin為wei粘zhan度du太tai大da而er快kuai速su變bian幹gan。觸chu變bian劑ji在zai焊han錫xi膏gao中zhong的de成cheng分fen比bi例li也ye不bu小xiao,主zhu要yao作zuo用yong使shi乳ru化hua助zhu焊han劑ji產chan生sheng觸chu變bian性xing,保bao證zheng無wu鉛qian焊han錫xi膏gao在zai使shi用yong中zhong始shi終zhong能neng不bu斷duan恢hui複fu觸chu變bian性xing。粘zhan度du就jiu是shi觸chu變bian劑ji產chan生sheng的de影ying響xiang,粘zhan度du變bian大da也ye就jiu表biao示shi焊han錫xi膏gao變bian幹gan了le。
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