<p style=\"text-indent:37px\"><span style=\"font-size:19px;font-family:楷體_GB2312\">本品屬無芯感應爐用耐火材料，材質屬酸性。采用預相變處理的硅礦為原料，明顯的改善了爐襯的膨脹弊端，烘爐時爐襯上漲幅度明顯降低，冷爐時無裂紋</span><span style=\"font-size:19px\">.</span><span style=\"font-size:19px;font-family:楷體_GB2312\">它的特點是原料高純，級配合理、抗急冷急熱，尤其適合于大型中頻感應電爐的間歇式作業(yè)。此材料系預混的干搗混合料，根據顧客需求已配制好硼酸或硼酐含量，用戶可直接投入使用。適用于</span><span style=\"font-size:19px\">1400</span><span style=\"font-size:19px;font-family:楷體_GB2312\">℃</span><span style=\"font-size:19px;font-family:楷體_GB2312\">——</span><span style=\"font-size:19px\">1700</span><span style=\"font-size:19px;font-family:楷體_GB2312\">℃</span><span style=\"font-size:19px;font-family:楷體_GB2312\">的熔煉溫度。正常爐齡可達400-600爐。</span></p><p style=\"text-indent:37px\"><span style=\"font-size:19px;font-family:楷體_GB2312\"></span></p><p><span style=\"font-size:19px\">SiO<sub>2</sub> </span><span style=\"font-size:19px;font-family: 楷體_GB2312\">≥</span><span style=\"font-size:19px\"> 99%?????? CaO+MgO </span><span style=\"font-size:19px;font-family:楷體_GB2312\">≤</span><span style=\"font-size:19px\">0.1%????????? Fe<sub>2</sub>O<sub>3</sub></span><span style=\"font-size:19px;font-family:楷體_GB2312\">≤</span><span style=\"font-size:19px\"> 0.2% </span></p><p><span style=\"font-size:19px;font-family:楷體_GB2312\">材料密度：</span><span style=\"font-size:19px\">2.1g/cm<sup>3????????????????????????</sup></span><span style=\"font-size:19px;font-family:楷體_GB2312\">粒度</span><span style=\"font-size:19px\">:</span><span style=\"font-size:19px;font-family:楷體_GB2312\">不大于</span><span style=\"font-size:19px\"> 8.1mm</span></p><p><span style=\"font-size:19px;font-family:楷體_GB2312\">高使用溫度</span><span style=\"font-size:19px\">:1700</span><span style=\"font-size:19px;font-family:楷體_GB2312\">℃</span><span style=\"font-size:19px;font-family:宋體\">?????????????????? </span><span style=\"font-size:19px;font-family:楷體_GB2312\">施工方法</span><span style=\"font-size:19px;font-family:宋體\">:</span><span style=\"font-size:19px;font-family:楷體_GB2312\">干振或干搗</span></p><p style=\"text-indent:37px\"><span style=\"font-size:19px;font-family:楷體_GB2312\"></span></p><p style=\"text-indent:37px\"><span style=\"font-size:19px;font-family:楷體_GB2312\">多層防潮紙及內膜包裝</span><span style=\"font-size:19px;font-family:宋體\">25kg/</span><span style=\"font-size:19px;font-family:楷體_GB2312\">袋，儲存在干燥處防止吸潮。儲存期不超過一年，另外根據客戶要求可采用</span><span style=\"font-size:19px;font-family:宋體\">2650pxX2650px</span><span style=\"font-size: 19px;font-family:楷體_GB2312\">噸托盤及強力伸縮膜包裝。</span></p><p style=\"text-indent:37px\"><span style=\"font-size:19px;font-family:楷體_GB2312\"></span>
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