<p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-size: small;"><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">石英玻璃管是用二氧化硅制造的特種工業(yè)技術(shù)管材，是一種非常優(yōu)良的基礎(chǔ)材料。石英玻璃管具有一系列優(yōu)良的物理</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">化學(xué)性能，如：</span><span style="font-family: ˎ̥;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-size: small;"><span style="font-family: ˎ̥;" lang="EN-US">1.<span style="mso-tab-count: 1;"> </span></span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">耐高溫</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">石英玻璃的軟化點(diǎn)溫度約</span><span style="font-family: ˎ̥;" lang="EN-US">1730</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">℃</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">，可在</span><span style="font-family: ˎ̥;" lang="EN-US">1100</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">℃</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">下長時(shí)間使用，短時(shí)間較高使用溫度可達(dá)</span><span style="font-family: ˎ̥;" lang="EN-US">1450</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">℃</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">。</span><span style="font-family: ˎ̥;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-size: small;"><span style="font-family: ˎ̥;" lang="EN-US">2.<span style="mso-tab-count: 1;"> </span></span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">耐腐蝕</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">除氫氟酸外，石英玻璃管幾乎不與其它酸類物質(zhì)發(fā)生化學(xué)反應(yīng)，其耐酸能力是陶瓷的</span><span style="font-family: ˎ̥;" lang="EN-US">30</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">倍，不銹鋼的</span><span style="font-family: ˎ̥;" lang="EN-US">150</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">倍，尤其在高溫下的化學(xué)穩(wěn)定性，是其它任何工程材料都無法比擬的。</span><span style="font-family: ˎ̥;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-size: small;"><span style="font-family: ˎ̥;" lang="EN-US">3.<span style="mso-tab-count: 1;"> </span></span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">熱穩(wěn)定性好</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">石英玻璃的熱膨脹系數(shù)極小，能承受劇烈的溫度變化，將石英玻璃加熱至</span><span style="font-family: ˎ̥;" lang="EN-US">1100</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">℃</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">左右，放入常溫中依然不會(huì)炸裂。</span><span style="font-family: ˎ̥;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-size: small;"><span style="font-family: ˎ̥;" lang="EN-US">4.<span style="mso-tab-count: 1;"> </span></span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">透光性能好</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">石英玻璃從紫外到紅外的整個(gè)光譜波段都有較好的透光性能，可見光透過率</span><span style="font-family: ˎ̥;" lang="EN-US">93%</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">以上，特別在紫外光譜區(qū)，較大透過率可達(dá)</span><span style="font-family: ˎ̥;" lang="EN-US">80%</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">以上。</span><span style="font-family: ˎ̥;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-size: small;"><span style="font-family: ˎ̥;" lang="EN-US">5.<span style="mso-tab-count: 1;"> </span></span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">電絕緣性能好</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">石英玻璃的電阻值相當(dāng)于普通玻璃的一萬倍，是極好的電絕緣材料，即使在高溫下也具有良好的電絕緣性能。石英玻璃管由于具有上述優(yōu)良的理化性能，因此被廣泛用于電光源</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">半導(dǎo)體</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">光通信</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">竣工</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">冶金</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">建材</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">化學(xué)</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">機(jī)械</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">電力</span><span style="font-family: ˎ̥;" lang="EN-US">.</span><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;">環(huán)保等各個(gè)領(lǐng)域。</span><span style="font-family: ˎ̥;" lang="EN-US"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-family: ˎ̥;" lang="EN-US"><span style="font-size: small;"> </span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-family: ˎ̥;" lang="EN-US"><span style="font-size: small;"> </span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-family: ˎ̥;" lang="EN-US"><span style="font-size: small;"> </span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span lang="EN-US"><span style="font-size: small;"> </span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US"></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US"><span style="font-size: small;"> </span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 10.5pt; mso-char-indent-count: 1.0;"><span style="font-family: 宋體; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥;"></span></p>