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你知道密封條的材質(zhì)有哪幾種？

文章出處：常見問題責(zé)任編輯：東莞市聯(lián)臻光電材料有限公司發(fā)表時(shí)間：2020-07-22

　　? 我們?cè)诤芏嗟胤蕉伎梢钥吹?a href="http://www.huisf.com/products-333265-0-0.html" target="_blank">密封條，密封條怎么使用我們都知道，比如窗戶密封條就是非常常見的一種，密封條的材質(zhì)也有很多種，他能夠起到將一些密封不嚴(yán)的地方給密封好，不讓他容易進(jìn)風(fēng)或進(jìn)灰塵，要知道，如果家里灰塵太厚，可是很難打掃的，而且如果大冬天的時(shí)候窗戶進(jìn)風(fēng)，室內(nèi)就不保暖了。接下來我們一起來看，密封條的材質(zhì)有哪幾種？

1.三元乙丙密封膠條

　　綜合性能優(yōu)異，具有耐臭氧性，耐候性，耐高溫、低溫性能，耐化學(xué)藥品性，耐多種極性溶質(zhì)，相對(duì)密度小。缺點(diǎn)是在一般礦物油及潤滑油中膨脹量大，一般為深色制品。使用溫度范圍-60～+150℃?？蛇m用于高溫、寒冷、沿海、紫外線照射強(qiáng)烈地區(qū)以及中高層建筑。以其適用范圍廣，綜合性能優(yōu)異，得到國內(nèi)外門窗行業(yè)的認(rèn)可。

　　2.硅橡膠密封膠條

　　有突出的耐高、低溫特性，耐臭氧及耐候性能;有極好的疏水性和適當(dāng)?shù)耐笟庑?具有無與倫比的絕緣性能;可達(dá)到食品衛(wèi)生要求的衛(wèi)生級(jí)別，可滿足各種顏色的要求。缺點(diǎn)是機(jī)械強(qiáng)度在橡膠材料中最差，不耐油。使用溫度范圍-100～+300℃?？蛇m用于高溫、寒冷、紫外線照射強(qiáng)烈地區(qū)以及中高層建筑。

　　3.氯丁膠密封膠條

與其它的特種橡膠比較，個(gè)別性能差些，但總的性能平衡好。有優(yōu)良的耐候性、耐臭氧性能、耐熱老化性和耐油耐溶劑性，有好的耐化學(xué)性和優(yōu)異的耐燃性，有良好的粘合性。貯存穩(wěn)定性差，貯存過程中會(huì)發(fā)生增硬現(xiàn)象，耐寒性不好。相對(duì)密度較大。一般為黑色制品。使用于有耐油、耐熱、耐求的環(huán)境。使用溫度范圍-30～+120℃。
　　
4.丁腈橡膠密封條

　　主要特點(diǎn)是耐油、耐溶劑，但不耐酮、酯及氯化烴等介質(zhì)，彈性和力學(xué)性能都很好。缺點(diǎn)是在臭氧和氧化中易老化龜裂，耐寒性、耐低溫性差。使用溫度范圍-30～+120℃

　　5.聚氨酯橡膠密封條

　　具有較好的彈性和優(yōu)異耐磨耗性，較好的耐油性，硬度可調(diào)范圍寬(邵氏A硬度65～80度)，機(jī)械性能(拉伸強(qiáng)度、拉斷伸長率)優(yōu)越，優(yōu)良的耐寒性和耐化學(xué)藥品交織腐蝕性能，原材料的價(jià)格較高。為可回收再利用的材料。可滿足各種顏色的要求。使用溫度范圍-60～+80℃。適用于地震多發(fā)區(qū)、鐵路附近或帶有大功率吊車的廠房等強(qiáng)烈震動(dòng)的區(qū)域，以及紫外線照射強(qiáng)烈地區(qū)。
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