荣计达DWCJ-70防水材料低温冲击试验�?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></p><p></p><p></p><p><strong><span>防水材料低温冲击试验朹�/span></strong><span>符合</span><span>HG2-162-1965塑料低温冲击压缩试验方法和GB5470-2008塑料冲击脆化温度试验方法�?*标准、�/span><span>橡胶</span><span>、塑料、防水卷杏�/span><span>在规定条件下试样受冲击出现破坏时皃�/span><span>A</span><span>高温度，即为脆性温度，可以对塑料及其他弹性材料在低温条件下的使用性能作比较性鉴定。可以测定不同橡胶材料或不同配方的硫化橡胶的脆性温度和低温性能的优劣、�/span></p><p><strong></strong></p><p><strong><span>防水材料低温冲击试验朹�/span></strong><span>各项技术指标符吇�/span>GB/T 1682-1994硫化橡胶低温脆性单试样法等</span><span>**</span><span>标准的要求。本仪器再原有设计中，增加了冷井搅拌器，使容器四周温度更均匀，下降温度更快，节约时间，降低了能耗、�/span></p><p><strong></strong></p><p><strong><span>防水材料低温冲击试验朹�/span></strong><span>技术参�?/span></p><p><span>☄�/span><span>试验温度９�/span>-</span><span>7</span><span>0ℂ�/span></p><p><span>☄�/span><span>冲击速度９�/span>2m/s��0.2m/s</span></p><p><span>☄�/span><span>恒温后，试验</span>3min时间内温度波动：�?#177;0.5ℂ�/span></p><p><span>☄�/span><span>冲击�?/span><span>中间</span><span>到夹持器下端距离９�/span>11��0.5mm</span></p><p><span>☄�/span><span>外型尺寸９�/span>720��700��1380mm</span></p><p><span>☄�/span><span>功率９�/span>1100W</span></p><p><span>☄�/span><span>冷井容积９�/span>3L</span></p><p><strong></strong></p><p><strong><span>防水材料低温冲击试验朹�/span></strong><span>结构原理</span></p><p><span>☄�/span><span>升降夹持�?/span></p><p><span>升降夹持器由带有夹持器的气缸和气缸座组成、�/span></p><p><span>从试样受冲击部位，到夹持器下端的距离丹�/span>11.0��0.5mm</span></p><p><span>☄�/span><span>冲击装置</span></p><p><span>冲击装置由弹簧器和冲头组成、�/span></p><p><span>☄�/span><span>冲击�?/span></p><p><span>冲击器头部形状和尺寸。冲击器的重量为</span>200��20g，其工作行程�?0��1mm。冲击气缸在复位状态下，冲击器端部到试样的距离�?5��1mm、�/span></p><p><strong></strong></p><p><strong><span>防水材料低温冲击试验朹�/span></strong><span>使用方法</span></p><p><span>☄�/span><span>接通电源，温控仪和计时器显示灯亮、�/span></p><p><span>☄�/span><span>向冷井中注入冷冻介质（一般为工业乙醇），其注入量应保证夹持器的下端到液面的距离为</span>75��10mm、�/span></p><p><span>☄�/span><span>将试样垂直夹在夹持器上。夹的不宜过紧或过松，以防止试样变形或脱落、�/span></p><p><span>☄�/span><span>按下夹持器，开始冷冻试样，同时启动时序控制开关（或按动秒表）计时。试样冷冻时间规定为</span>3.0��0.5min。试样冷冻期间，冷冻介质温度波动不得超过��1℃、�/span></p><p><span>☄�/span><span>提起升降夹持器，使冲击器在半秒钟内冲击试样、�/span></p><p><span>☄�/span><span>取下试样，将试样按冲击方向弯曲成</span>180��，仔细观察有无破坏、�/span></p><p><span>☄�/span><span>试样经冲击后（每个试样只准冲击一次），如出现破坏时，应提高冷冻介质的温度，否则降低其温度，继续进行试验、�/span></p><p><span>☄�/span><span>通过反复试验，确定至少有两个试样不破坏的</span><span>A</span><span>低温度和至少一个试样破坏的</span><span>A</span><span>高温度，如这两个结果相差不大亍�/span>1℃时，即试验结束、�/span></p><p><strong></strong></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"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="276970" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">