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導讀：　負壓風(fēng)機是現在廠(chǎng)房中*為常用的換氣風(fēng)機··· </div> <div class="lx9hdzxrbn" id="cntrBody"> <p> <div> <p style="text-indent:16px"><span style="font-size:16px;font-family:宋體">　負壓風(fēng)機是現在廠(chǎng)房中*為常用的換氣風(fēng)機，現在主流的負壓風(fēng)機的外框材質(zhì)主要有玻璃鋼材質(zhì)和鍍鋅板材質(zhì)。那玻璃鋼材質(zhì)的負壓風(fēng)機相比于鍍鋅板材質(zhì)的有何優(yōu)勢呢？下面我們一起來(lái)看一下。</span></p><p>　　<span style="font-size:16px">1</span><span style="font-size:16px;font-family: 宋體">、輕質(zhì)高強</span></p><p><span style="font-size:16px;font-family:宋體">　　相對密度在</span><span style="font-size:16px">1.5~2.0</span><span style="font-size:16px;font-family:宋體">之間，只有碳鋼的</span><span style="font-size:16px">1/4~1/5</span><span style="font-size:16px;font-family:宋體">，可是拉伸強度卻接近，甚至超過(guò)碳素鋼，而比強度可以與高級合金鋼相比。因此，在航空、火箭、宇宙飛行器、高壓容器以及在其他需要減輕自重的制品應用中，都具有卓越成效。</span></p><p>　　<span style="font-size:16px">2</span><span style="font-size:16px;font-family: 宋體">、耐腐蝕性能好</span></p><p><span style="font-size:16px;font-family:宋體">　　玻璃鋼是良好的耐腐材料，對大氣、水和一般濃度的酸、堿、鹽以及多種油類(lèi)和溶劑都有較好的抵抗能力。已應用到化工防腐的各個(gè)方面，正在取代碳鋼、不銹鋼、木材、有色金屬等。</span></p><p>　　<span style="font-size:16px">3</span><span style="font-size:16px;font-family: 宋體">、電性能好　</span></p><p><span style="font-size:16px;font-family:宋體">　　是優(yōu)良的絕緣材料，用來(lái)制造絕緣體。高頻下仍能保護良好介電性。微波透過(guò)性良好，因此在雷達天線(xiàn)罩上應用廣泛</span></p><p>　　<span style="font-size:16px">4</span><span style="font-size:16px;font-family: 宋體">、熱導率低　</span></p><p><span style="font-size:16px;font-family:宋體">　　室溫下為</span><span style="font-size:16px">1.25~1.67kJ/</span><span style="font-size:16px;font-family:宋體">（</span><span style="font-size:16px">m</span><span style="font-size:16px;font-family:宋體">·</span><span style="font-size:16px">h</span><span style="font-size:16px;font-family:宋體">·</span><span style="font-size:16px">K</span><span style="font-size:16px;font-family:宋體">），只有金屬的</span><span style="font-size:16px">1/100~1 </span><span style="font-size:16px;font-family:宋體">玻璃鋼安全帽</span><span style="font-size:16px">[2]/1000</span><span style="font-size:16px;font-family:宋體">，是優(yōu)良的絕熱材料。在瞬時(shí)超高溫情況下，是理想的熱防護和耐燒蝕材料，能保護宇宙飛行器在</span><span style="font-size:16px">2000</span><span style="font-size:16px;font-family:宋體">℃以上承受高速氣流的沖刷。</span></p><p><br/></p> </div> </p> </div> <div id="lx9hdzxrbn" class="gduo"> 上一篇：<a href='/list_8/325.html '>負壓風(fēng)機降溫上的須知與影響因素 </a> 下一篇：<a href='/list_8/328.html'>有一種風(fēng)機叫負壓式喇叭扇</a> </div> <br> <div id="lx9hdzxrbn" class="n_info_con2"> <h4 class="t04">推薦您可能感興趣的文章內容</h4> <div id="lx9hdzxrbn" class="info_b"> <ul class="p_list_ul"> <li> <a href='/list_8/329.html' title='環(huán)?？照{所產(chǎn)生的濕度對身體有害嗎？' >環(huán)?？照{所產(chǎn)生的濕度對身體有害嗎？</a> </li> <li> <a href='/list_8/328.html' title='有一種風(fēng)機叫負壓式喇叭扇' >有一種風(fēng)機叫負壓式喇叭扇</a> </li> <li> <a href='/list_8/326.html' title='玻璃鋼材質(zhì)的負壓風(fēng)機有哪些優(yōu)點(diǎn)？' >玻璃鋼材質(zhì)的負壓風(fēng)機有哪些優(yōu)點(diǎn)？</a> </li> <li> <a href='/list_8/325.html' 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