硅酸铝堵套（塞头）

<p style="word-break: break-all; line-height: 150%;"><span style="color: black; mso-bidi-font-family: Arial;"><span style="font-size: small;"><span style="font-family: 宋体;">简介：硅酸铝堵套有时也称出水炉口保温塞头、保温帽、保温堵头。主要采用高等级硅酸铝纤维及其他配方通过真空成型制成，适用于铝、铜、锌熔炼炉、精炼炉、静置炉等出水炉口保温密封作用，使铝、铜、锌合金铸造过程更方便、更安全可靠。</span></span></span></p> <p style="word-break: break-all; line-height: 150%;"><span style="color: black; mso-bidi-font-family: Arial;"><span style="font-size: small; font-family: 宋体;">理化指标：</span><span lang="EN-US"><br /><span style="font-size: small; font-family: 宋体;"> <br /></span></span><span style="font-size: small; font-family: 宋体;">颜色<span lang="EN-US"> </span>偏白色</span><span style="font-size: small;"><span style="font-family: 宋体;"><span lang="EN-US">   <br /></span>成分<span lang="EN-US"> Si02 63.3</span>％<span lang="EN-US"> AL203 36</span>％<span lang="EN-US">  Ti02 0.5</span>％ <span lang="EN-US">Fe203 0.1</span>％ 其它＜<span lang="EN-US">0.1</span>％</span></span><span style="font-size: small;"><span style="font-family: 宋体;"><span lang="EN-US">   <br /></span>密度<span lang="EN-US"> </span>堵套类</span></span><span style="font-size: small;"><span style="font-family: 宋体;"><span lang="EN-US">0.30-0.35g/cm3   <br /></span>热学性能<span lang="EN-US"> </span>耐热温度<span lang="EN-US"> 1100</span></span></span></span><span style="color: black;"><span style="font-size: small; font-family: 宋体;">℃</span></span><span style="font-size: small;"><span style="font-family: 宋体;"><span style="color: black; mso-bidi-font-family: Arial;" lang="EN-US">   <br /></span><span style="color: black; mso-bidi-font-family: Arial;">较高使用温度<span lang="EN-US"> 1000</span></span><span style="color: black;">℃</span></span></span><span style="font-size: small;"><span style="font-family: 宋体;"><span style="color: black; mso-bidi-font-family: Arial;" lang="EN-US">   <br /></span><span style="color: black; mso-bidi-font-family: Arial;">持续使用温度<span lang="EN-US"> 800</span></span><span style="color: black;">℃</span></span></span><span style="font-size: small;"><span style="font-family: 宋体;"><span style="color: black; mso-bidi-font-family: Arial;" lang="EN-US">   <br /></span><span style="color: black; mso-bidi-font-family: Arial;">热传导性<span lang="EN-US"> 720</span></span><span style="color: black;">℃</span></span></span><span style="color: black; mso-bidi-font-family: Arial;"><span style="font-size: small; font-family: 宋体;">时</span><span lang="EN-US"><span style="font-size: small; font-family: 宋体;">0.77W/m.k   <br />760</span></span></span><span style="font-size: small;"><span style="font-family: 宋体;"><span style="color: black;">℃</span><span style="color: black; mso-bidi-font-family: Arial;" lang="EN-US">24</span></span></span><span style="color: black; mso-bidi-font-family: Arial;"><span style="font-size: small; font-family: 宋体;">小时后较久线性收缩小于<span lang="EN-US">0.6</span>％</span><span style="font-size: small;"><span style="font-family: 宋体;"><span lang="EN-US">   <br /></span>外型尺寸<span lang="EN-US"> </span>堵套类<span lang="EN-US"> </span>长度尺寸<span lang="EN-US">±3</span>㎜<span lang="EN-US">    </span>厚度<span lang="EN-US"> ±1</span>㎜</span></span><span style="font-size: small;"><span style="font-family: 宋体;"><span lang="EN-US">   <br /></span>表面质量<span lang="EN-US"> </span>单块缺点面积小于<span lang="EN-US">25 mm2 </span>凹凸高低点不高于<span lang="EN-US">2</span>㎜ 外表面没有非常大破损和缺快等<span lang="EN-US">   </span></span></span></span></p> <p> </p>