泡棉密度测量�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><strong>泡棉密度测量�?/strong>DE-120M</strong>可测量海绵、泡绵、泡沫、鞋材、体育与运动器体、保温隔热材料、家私木工企业、包装材料、缓冲材料等，本产品由宏拓研发生产，性能高于任何型号皃�strong>泡棉密度测量�?/strong>，具有明显的价格优势，厂家直供销售、�/p><p><strong>方法</strong>：依据GB/T6343、GB/8810、GB/T2669、GB/T10799、GB/T1033、ASTM D 3574、JIS、…等标准规范;采用阿基米得原理，依产品闭孔与开孔特性选择固体通用测试法和浸渍饱和法、�/p><p><strong>适用亍�/strong>：海绵、泡绵、泡沫、鞋材、体育与运动器体、保温隔热材料、家私木工企业、包装材料、缓冲材料、聚合物� 新材料研究实验室、�/p><p><strong>测量理论</strong></p><p>泡沫分为开孔发泡材料和闭孔发泡材料。开孔的软质发泡材料有非常好的压缩回弹性，压缩后空气非常容易的在泡孔中流动，因此材料可以回弹到其初始厚度；闭孔的发泡材料具有非常低的吸水特性，主要于用绝缘、能量吸收和密封、�/p><p>密度影响发泡的耐久性和支持性，密度的高低可以使致密性与发泡率不同，一般来说，较高的密度和较好的发泡将保留其原有的物理性质和提供良好的支持性和舒适以达到*初生产目的。在POLYMER、SPONGE RUBBER、EVA、PU FORM、PE FORM相似产业材料中和ASTM D 3574等规范中所认定的开孔性（吸水性）材料密度测定方法是以浸渍饱和法为测定标准，闭孔性（不吸水性）材料密度测定方法以固体通用测试法为测定标准、�/p><p><strong>规格说明９�/strong></p><p>1、型号： DE-120M </p><p>2、密度解析：0.0001 g/cm3 </p><p>3�?*称重�?20g </p><p>4�?小称重：0.001g </p><p>5、测量范围：0.0001�?9.9999g/cm3 </p><p>6、吸水率� 0.01% </p><p><strong>测量项目与主要特炸�/strong></p><p>1.快速直读各种海绵、泡绵、包装材、缓冲材等类似聚合物产品的体密度、视密度、湿密度</p><p>2.还可以直读体积、开孔体积、闭孔体积、闭隙率、吸水率、膨胀率、质量与体积变化率等数据</p><p>3.测量精准、操作简便、快逞�/p><p>4.具有定体积密度测量功胼�/p><p>5.可自动判定试样合格与否，并警报提礹�/p><p>6.使用水作介质，也可使用其它液体介�?/p><p>7.具有实际水温设定、测量介质密度设定、饱和介质密度设定、空气浮力补偿设定、密度上下限设定等功胼�/p><p>8.采用一体成形大容量测量配件，水槽防腐蚀、耐摔、耐破</p><p>9.配置专用防风防尘罩，组合方便、坚囹�/p><p>10.含RS-232C通信接口，方便连接PC与打印机，可选购DE-40打印机打印测量数�?/p><p><strong>开孔特性产品测量步骤：</strong></p><p>针对开孔或多孔性材料密度的测量，即3个记忆步骣�/p><p>①将产品放入测量台，测空气中重量，按ENTER键记忆、�/p><p>②将产品浸没在水中来回挤压，使其内部孔隙处于饱和水状态，放入测量台测饱和水后空气中的重量，按ENTER键记忆、�/p><p>③将产品放入水中测水中重量，按ENTER键记忆，显示密度值、�/p><p><strong>闭孔特性产品测量步骤：</strong></p><p>针对闭孔特性产品密度的测量，即2个记忆步骣�/p><p>①将产品放入测量台，测空气中重量，按ENTER键记忆、�/p><p>②将产品放入水中测水中重量，按ENTER键记忆，显示密度值、�/p><p><strong>标准附件９�/strong></p><p>①主机、②水槽、③测量台、④镊子、⑤温度计、⑥砝码、⑦防风防尘罩、⑧测颗粒配件一套、⑨测浮体配件一个、⑩电源变压器一�?/p><p>编辑：lcl 15.8</p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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