钠长石、高纯钠长石�?参数-价格-中国粉体罐�/title>

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宋体">钠长矲�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">Albite</span></span></p><p><span style="font-size: 16px"><span style="font-family:Times New Roman"> </span></span></p><p style="margin: 0 0 0 8px"><span style="font-size: 16px"><span style="font-family:Times New Roman">1�?/span></span><span style="font-size: 16px;font-family: 宋体">产品说明</span></p><p style=";text-indent: 29px"><span style="font-size: 16px;font-family: 宋体">长石是碱金属或碱土金属的铝硅酸盐、�/span></p><p style="margin: 0 0 0 8px"><span style="font-size: 16px"><span style="font-family:Times New Roman">2�?/span></span><span style="font-size: 16px;font-family: 宋体">产品特�?/span></p><p style="margin: 0 0 0 28px"><span style="font-size: 16px"><span style="font-family:Times New Roman">1</span></span><span style="font-size: 16px;font-family: 宋体">、物理性能</span><span style="font-size: 16px"><span style="font-family:Times New Roman"> </span></span></p><p><span style="font-size: 16px"><span style="font-family:Times New Roman"> </span></span><span style="font-size: 16px;font-family: 宋体">钠长石外观一般为白色、灰白色，硬度为</span><span style="font-size: 16px"><span style="font-family:Times New Roman">6~6.5</span></span><span style="font-size: 16px;font-family: 宋体">，密度为</span><span style="font-size: 16px"><span style="font-family:Times New Roman">2.61~</span><span style="font-family:Times New Roman">2.64</span><span style="font-family: 宋体">兊�/span><span style="font-family: 宋体">／厘籲�/span><sup><span style="font-family:Times New Roman">3</span></sup></span><span style="font-size: 16px;font-family: 宋体">，熔点为</span><span style="font-size: 16px"><span style="font-family:Times New Roman">1100</span></span><span style="font-size: 16px;font-family: 宋体">ℂ�/span><span style="font-size: 16px;font-family: 宋体">左右、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">2</span></span><span style="font-size: 16px;font-family: 宋体">、化学组戏�/span><span style="font-size: 16px"><span style="font-family:Times New Roman"> </span></span></p><p style=";text-indent: 32px"><span style="font-size: 16px;font-family: 宋体">钠长石的化学分子式为９�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">Na<sub>2</sub>O</span></span><span style="font-size: 16px;font-family: 宋体">·</span><span style="font-size: 16px"><span style="font-family:Times New Roman">Al<sub>2</sub>O<sub>3</sub></span></span><span style="font-size: 16px;font-family: 宋体">·</span><span style="font-size: 16px"><span style="font-family:Times New Roman">6SiO<sub>2</sub> </span></span><span style="font-size: 16px;font-family: 宋体">其理论化学组成为</span><span style="font-size: 16px"><span style="font-family:Times New Roman">Na<sub>2</sub>O: 11</span></span><span style="font-size: 16px;font-family: 宋体">－�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">8</span></span><span style="font-size: 16px;font-family: 宋体">％�?/span><span style="font-size: 16px"><span style="font-family:Times New Roman">Al<sub>2</sub>O<sub>3</sub>: l9</span></span><span style="font-size: 16px;font-family: 宋体">－�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">4</span></span><span style="font-size: 16px;font-family: 宋体">％，</span><span style="font-size: 16px"><span style="font-family:Times New Roman">SiO<sub>2</sub></span></span><span style="font-size: 16px;font-family: 宋体">９�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">68</span></span><span style="font-size: 16px;font-family: 宋体">－�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">8</span></span><span style="font-size: 16px;font-family: 宋体">％，但自然界的钠长石矿物很难达到其理论值，长石化学组成越接近其理论值，说明长石越纯、质量越好、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">3</span></span><span style="font-size: 16px;font-family: 宋体">、高温性能</span></p><p style=";text-indent: 32px"><span style="font-size: 16px;font-family: 宋体">钠长石在加热过程中，其理论熔点为</span><span style="font-size: 16px"><span style="font-family:Times New Roman">1100</span></span><span style="font-size: 16px;font-family: 宋体">ℂ�/span><span style="font-size: 16px;font-family: 宋体">。而天然钠长石矿，其熔点随化学组成不同而有所变化。中信钠长石，其化学组成接近理论值，</span><span style="font-size: 16px"><span style="font-family:Times New Roman">1200</span></span><span style="font-size: 16px;font-family: 宋体">ℂ�/span><span style="font-size: 16px;font-family: 宋体">左右熔融成玻璃体、�/span></p><p><span style="font-size: 16px"><span style="font-family:Times New Roman"> </span></span><span style="font-size: 16px;font-family: 宋体">钠长石具有下列特点：</span></p><p><span style="font-size: 16px"><span style="font-family:Times New Roman"> 1)</span></span><span style="font-size: 16px;font-family: 宋体">、在高温时对石英、粘土、莫来石的熔解快，溶解度大、�/span></p><p><span style="font-size: 16px"><span style="font-family:Times New Roman"> 2)</span></span><span style="font-size: 16px;font-family: 宋体">、熔融温度低，透明度好、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">3)</span></span><span style="font-size: 16px;font-family: 宋体">、熔融温度范围较钾长石窄，熔体高温粘度较小，随温度的变化较快、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">4</span></span><span style="font-size: 16px;font-family: 宋体">、钠</span><span style="font-size: 16px;font-family: 宋体">长石与其它矿物的关系</span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">1)</span></span><span style="font-size: 16px;font-family: 宋体">、长石对高岭土耐火度的影响</span></p><p style=";text-indent: 32px"><span style="font-size: 16px;font-family: 宋体">长石与高岭土作用时，高岭土的耐火度随长石的增加而降低，其耐火度由纯高岭土皃�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">1770</span></span><span style="font-size: 16px;font-family: 宋体">ℂ�/span><span style="font-size: 16px;font-family: 宋体">直到纯长石的</span><span style="font-size: 16px"><span style="font-family:Times New Roman">1220</span></span><span style="font-size: 16px;font-family: 宋体">ℂ�/span><span style="font-size: 16px;font-family: 宋体">。就是说每份儿长石能降低高岭土的耐火�?/span><span style="font-size: 16px"><span style="font-family:Times New Roman">5.5</span></span><span style="font-size: 16px;font-family: 宋体">‘�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">C</span></span><span style="font-size: 16px;font-family: 宋体">左右。掌握了这一规律，就可以利用长石和高岭土配制所需烧成温度的坯料配方。钠长石与高岭土作用与钾长石相似，只是降温效果更大，它能使高岭土的耐火�?/span><span style="font-size: 16px"><span style="font-family:Times New Roman">1770</span></span><span style="font-size: 16px;font-family: 宋体">ℂ�/span><span style="font-size: 16px;font-family: 宋体">降到钠长石的</span><span style="font-size: 16px"><span style="font-family:Times New Roman">1100</span></span><span style="font-size: 16px;font-family: 宋体">ℂ�/span><span style="font-size: 16px;font-family: 宋体">、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman"> 2)</span></span><span style="font-size: 16px;font-family: 宋体">、钠长石与钾长石之间的关糺�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px;font-family: 宋体">当钠长石与钾长石的比例为</span><span style="font-size: 16px"><span style="font-family:Times New Roman"> 2~4.5<strong>:</strong>8~5.5</span></span><span style="font-size: 16px;font-family: 宋体">时，其熔融温�?低。因此，配制低温制品时。则可采用两种长石，按比例配制，使其达到*低温度、�/span></p><p style=";text-indent: 48px"><span style="font-size: 16px"><span style="font-family:Times New Roman">3)</span></span><span style="font-size: 16px;font-family: 宋体">、钠长石不�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">CaO</span></span><span style="font-size: 16px;font-family: 宋体">之间的关糺�/span></p><p style=";text-indent: 48px"><span style="font-size: 16px;font-family: 宋体">�?/span><span style="font-size: 16px"><span style="font-family:Times New Roman">CaO</span></span><span style="font-size: 16px;font-family: 宋体">含量丹�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">0~6</span></span><span style="font-size: 16px;font-family: 宋体">％时，它们的耐火度随</span><span style="font-size: 16px"><span style="font-family:Times New Roman">CaO</span></span><span style="font-size: 16px;font-family: 宋体">的增加而降低，归�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">CaO</span></span><span style="font-size: 16px;font-family: 宋体">含量大于</span><span style="font-size: 16px"><span style="font-family:Times New Roman">6</span></span><span style="font-size: 16px;font-family: 宋体">％时，它们的耐火度呈波浪变化、�/span></p><p style=";text-indent: 48px"><span style="font-size: 16px"><span style="font-family:Times New Roman">4)</span></span><span style="font-size: 16px;font-family: 宋体">、钠长石不�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">MgO</span></span><span style="font-size: 16px;font-family: 宋体">之间的关糺�/span></p><p style=";text-indent: 48px"><span style="font-size: 16px;font-family: 宋体">钠长石与</span><span style="font-size: 16px"><span style="font-family:Times New Roman">CaO</span></span><span style="font-size: 16px;font-family: 宋体">之间的耐火度，归�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">MgO</span></span><span style="font-size: 16px;font-family: 宋体">含量丹�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">0~10</span></span><span style="font-size: 16px;font-family: 宋体">％时，它们的耐火度随</span><span style="font-size: 16px"><span style="font-family:Times New Roman">MgO</span></span><span style="font-size: 16px;font-family: 宋体">的增加而降低，归�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">MgO</span></span><span style="font-size: 16px;font-family: 宋体">含量大于</span><span style="font-size: 16px"><span style="font-family:Times New Roman">10</span></span><span style="font-size: 16px;font-family: 宋体">％时，它们的耐火度随</span><span style="font-size: 16px"><span style="font-family:Times New Roman">MgO</span></span><span style="font-size: 16px;font-family: 宋体">的增加而上升、�/span></p><p style="margin: 0 0 0 8px"><span style="font-size: 16px"><span style="font-family:Times New Roman">3�?/span></span><span style="font-size: 16px;font-family: 宋体">使用说明</span></p><p style=";text-indent: 32px"><span style="font-size: 16px;font-family: 宋体">钠长石一般适用于低温陶瓷、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">1</span></span><span style="font-size: 16px;font-family: 宋体">、在烧成前，长石和石英一样是非可塑性原料，可缩短坯体干燥时间，减少干燥收缩和变形、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">2</span></span><span style="font-size: 16px;font-family: 宋体">、长石是坯釉中的主要熔剂原料，如长石质瓷，长石在坯体中占</span><span style="font-size: 16px"><span style="font-family:Times New Roman">25</span></span><span style="font-size: 16px;font-family: 宋体">％左右，在釉中占</span><span style="font-size: 16px"><span style="font-family:Times New Roman">50</span></span><span style="font-size: 16px;font-family: 宋体">％左右，主要作用是降低坯釉烧成温度、�/span></p><p><span style="font-size: 16px"><span style="font-family:Times New Roman"> 3</span></span><span style="font-size: 16px;font-family: 宋体">、长石在高温下熔融成长石玻璃，填充于坯体颗粒之间，并能溶解其它矿物，如高岭石，石英等，使坯体致密，有助于提高制品的机械强度，电气性能和半透明度、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">4</span></span><span style="font-size: 16px;font-family: 宋体">、钠长石较钾长石降低坯釉烧成温度的作用更大，同时能提高制品的半透明度，但烧成温度范围没有钾长石宽、�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px"><span style="font-family:Times New Roman">5</span></span><span style="font-size: 16px;font-family: 宋体">、陶瓷生产中对长石的要求９�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px;font-family: Wingdings">’�/span><span style="font-size: 16px;font-family: 宋体">其中K<sub>2</sub>O和Na<sub>2</sub>O的含量尽可能的高，着色氧化物Fe<sub>2</sub>O<sub>3</sub>、TiO<sub>2</sub>的含量尽可能的低：�/span></p><p style=";text-indent: 32px"><span style="font-size: 16px;font-family: Wingdings">’�/span><span style="font-size: 16px"><span style="font-family:Times New Roman">SiO<sub>2</sub></span></span><span style="font-size: 16px;font-family: 宋体">的含量应�?/span><span style="font-size: 16px"><span style="font-family:Times New Roman">63%~68%,Ali<sub>2</sub>O<sub>3</sub></span></span><span style="font-size: 16px;font-family: 宋体">的含量应�?/span><span style="font-size: 16px"><span style="font-family:Times New Roman">17%~23%</span></span><span style="font-size: 16px;font-family: 宋体">的范围内：�/span></p><p><span style="font-size: 16px;font-family: Wingdings">ƒ</span><span style="font-size: 16px;font-family: 宋体">长石�?/span><span style="font-size: 16px"><span style="font-family:Times New Roman">CaO</span></span><span style="font-size: 16px;font-family: 宋体">的含量不宜太高，若含量过高，用于坯料易降低其烧结温度，月用于釉料则影响釉的流动性、�/span></p><table width="96%" cellspacing="0" cellpadding="2"><tbody><tr class="firstRow"><td valign="top" nowrap="nowrap"><span style="color:#000000">描述:</span></td><td valign="top"><p>化学分子式：Na2O·Al2O3·6SiO2 <br/> 硬度(莫氏)�?.5 <br/> 密度�?.62g/cm3 <br/> 熔点�?100℃左� <br/> 膨胀系数COE�?30±15*10-7/� <br/> 产品控制标准 ：（％） <br/> SiO2: 68.0±1.0，Al2O3: 19.0±1.0，Na2O: 11±0.5，K2O: 0.2±0.1� Fe2O3�?.05，TiO2�?.02，CaO� 0.50，MgO�?.02，烧�?Ig-Loss)�?.30</p></td></tr></tbody></table><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); 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