<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt; line-height: 13.5pt; text-align: left; padding: 0pt;"><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">三防漆也叫</span><span style="font-size: 12pt; color: #626273; font-family: "Times New Roman"; mso-spacerun: "yes";">PCB</span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">電子線(xiàn)路板保護油、披覆油、防潮漆、三防涂料、防水膠、絕緣漆、防腐蝕漆、防鹽霧漆、防塵漆、保護漆、披覆漆、三防膠等，使用過(guò)三防漆的</span><span style="font-size: 12pt; color: #626273; font-family: "Times New Roman"; mso-spacerun: "yes";">PCB</span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">線(xiàn)路板具有防水、防潮、防塵</span><span style="font-size: 12pt; color: #626273; font-family: "Times New Roman"; mso-spacerun: "yes";">“</span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">三防</span><span style="font-size: 12pt; color: #626273; font-family: "Times New Roman"; mso-spacerun: "yes";">”</span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">性能和耐冷熱沖擊、耐老化、耐輻射、耐鹽霧、耐臭氧腐蝕、耐振動(dòng)、柔韌性好、附著(zhù)力強等性能。</span><span style="font-size: 9pt; color: #626273; font-family: "ˎ̥"; mso-spacerun: "yes";"><br /></span><span style="font-size: 9pt; color: #626273; font-family: "ˎ̥"; mso-spacerun: "yes";"><br /></span><span style="font-size: 9pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">    </span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">濕氣是對</span><span style="font-size: 12pt; color: #626273; font-family: "Times New Roman"; mso-spacerun: "yes";">PCB</span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">電路板較普遍、較有破壞性的主要因素。過(guò)多的濕氣會(huì )大幅降低導體間的絕緣抵抗性、加速高速分解、降低</span><span style="font-size: 12pt; color: #626273; font-family: "Times New Roman"; mso-spacerun: "yes";">Q</span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">值、及腐蝕導體。我們常�？吹�</span><span style="font-size: 12pt; color: #626273; font-family: "Times New Roman"; mso-spacerun: "yes";">PCB</span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">電路板金屬部分起了銅綠就是沒(méi)有涂覆三防漆金屬銅與水蒸氣、氧氣共同其化學(xué)反應引起的。而在印刷電路板上隨便找到的幾百種污染物具有一樣的破壞力。它們會(huì )導致與濕氣侵蝕造成的同等結果－－電子衰壞、腐蝕導體甚至造成無(wú)可挽回的短路。較常于電氣系統中發(fā)現的污染物，可能是由制程中殘留下來(lái)的化學(xué)物質(zhì)。這些污染物舉例來(lái)說(shuō)有助熔劑、溶劑離型劑、金屬粒及記號墨水等。也有主要污染群為人為經(jīng)手時(shí)不慎造成的，如人體油脂、指印、化妝品及食物殘垢。操作環(huán)境中亦有許多污染物，如鹽類(lèi)噴霧、沙土、燃料、酸、及其它腐蝕性的蒸氣及霉菌。</span><span style="font-size: 12pt; color: #000000; font-family: "Arial"; mso-spacerun: "yes";"></span></p> <p class="p0" style="padding-right: 3pt; margin-top: 0pt; padding-left: 3pt; margin-bottom: 0pt; padding-bottom: 18pt; padding-top: 18pt; text-align: left;"><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">    將三防漆涂覆在印刷電路板及零組件上，當可能受到操作環(huán)境不利因素影響時(shí)，可以降低或清理電子操作性能衰退狀況。若這種披覆漆能維持其作用達一段令人滿(mǎn)意的的時(shí)間,比如大于產(chǎn)品的使用期限，便可視為已達其涂覆目的。</span><span style="font-size: 12pt; color: #626273; font-family: "ˎ̥"; mso-spacerun: "yes";"><br /></span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">    </span><span style="font-size: 12pt; color: #626273; font-family: "宋體"; mso-spacerun: "yes";">即使披覆層很薄,也在一定程度上能很好的承受機械性振動(dòng)及擺動(dòng)、熱沖擊，以及高溫下的操作。當然，薄膜可用以使插于印刷電路板的各別零件具農業(yè)生產(chǎn)體系械強度或是足夠之絕緣性的觀(guān)念，是錯誤的。零組件須以機械方法來(lái)插牢，并須要有它們自己適用的填縫劑，這樣才有雙重的保險去防范意外的發(fā)生。</span><span style="font-size: 12pt; color: #000000; font-family: "Arial"; mso-spacerun: "yes";"> </span><span style="font-size: 12pt; color: #000000; font-family: "Arial"; mso-spacerun: "yes";"></span></p> <p class="p0" style="margin-top: 0pt; margin-bottom: 0pt; text-align: left; padding: 0pt;"><span style="font-weight: bold; font-size: 12pt; color: #ff0000; font-family: "宋體"; mso-spacerun: "yes";">更多的三防漆應用，滿(mǎn)足客戶(hù)的不同需求，詳情請與威泰化工聯(lián)系或登錄</span><span style="font-weight: bold; font-size: 12pt; color: #ff0000; font-family: "宋體"; mso-spacerun: "yes";">威泰化工網(wǎng)站http://www.sz-qthx.Com</span><span style="font-weight: bold; font-size: 12pt; color: #ff0000; font-family: "宋體"; mso-spacerun: "yes";"></span></p> <!--EndFragment-->