凯德试验橡胶低温脆性压缩耐寒试验�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;"><strong>一�?/strong><strong>橡胶低温脆性压缩耐寒试验朹�/strong><strong>特点及用逓�/strong>:</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;"><strong>橡胶低温脆性压缩耐寒试验朹�/strong>是测定材料在规定条件下试样受冲击出现破坏时的高温度，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。因此无论在科学研究材料及其制品的质量检验，生产过程的控制等方面均是不可缺少的。本仪器是根据GB1682国家标准设计的，各项技术指标符合HG 2-162-1965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等国家标准的要求�?nbsp;<br/>二�?strong>橡胶低温脆性压缩耐寒试验朹�/strong>技术参�?/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">1、试验温度及时间：将�?76度（正常1个多小时（�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">降温时间短，无需水冷却，更环保、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">2、冲击速度�?m/s±0.2m/s<br/>3、恒温后，试�?min时间内温度波动：＜�?.5℃波动小，控温更准确、�br/>4、冲击器中心到夹持器下端距离�?1±0.5mm<br/>5、外型尺寸：760*550*1300<br/>6、功率：800W 功率更小，达到温度后压缩机还有自动停机，更环保节能、�br/>7、容积：3500 ml 容积更大，测试范围更幾�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">三�?strong>橡胶低温脆性压缩耐寒试验朹�/strong>结构原理</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">3.1 升降夹持�?/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">升降夹持器由带有夹持器的气缸和气缸座组成、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">从试样受冲击部位，到夹持器下端的距离�?1.0±0.5mm，如�?所示、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">3.2冲击装置</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">冲击装置由冲击器和冲击气缸组成、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">3.3冲击�?/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">冲击器头部形状和尺寸如图2所示。冲击器的重量为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、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">3.4冷冻介质：工业乙醆�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">3.5本测定仪器采用压缩机直接致冷.不需要冷却循环水<strong>、�/strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4�?strong>橡胶低温脆性压缩耐寒试验朹�/strong>使用方法</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4.1接通电源，温控仪和计时器显示灯亮、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4.2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75±10mm、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4.3将试样垂直夹在夹持器上（如图1）。夹的不宜过紧或过松，以防止试样变形或脱落、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4.4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3.0±0.5min。试样冷冻期间，冷冻介质温度波动不得超过±1℃、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4.5提起升降夹持器，使冲击器在半秒钟内冲击试样、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4.6取下试样，将试样按冲击方向弯曲成180°，仔细观察有无破坏、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">4.7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、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: 14px; text-indent: 28px; text-wrap: wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; line-height: 20px;">通过反复试验，确定至少有两个试样不破坏的低温度和至少一个试样破坏的高温度，如这两个结果相差不大�?℃时，即试验结束、�/p><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"}); 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