导电橡胶|电磁干扰(EMI)屏蔽材料|电磁兼容(EMC)屏蔽材料

dvdtdidt

  <p><table height="1410" cellspacing="0" cellpadding="0" width="760" align="center" border="0"><tbody><tr><td valign="top" width="612"><table cellspacing="0" cellpadding="3" width="598" align="center" border="0"><tbody><tr><td class="black" align="left" colspan="3" height="71">导电橡胶是将微细导电粒均匀分布在硅相交中的方法制成。它既保持住橡胶原有水、汽密封性能，又具有高导电性，同时实现电磁密封。美军标MIL-G-83528按导电橡胶的导电颗粒、橡胶种类、制造工艺的不同，共有十七余种，用于不同场合，其中在军用电子产品广泛应用如下：</td></tr><tr valign="top"><td class="black" align="center" colspan="3" height="62"><table height="187" cellspacing="0" cellpadding="0" width="571" border="0"><tbody><tr><td class="black" valign="top" align="center" width="258" height="187"><span class="black1"><br /></span>&nbsp;&nbsp;玻璃镀银类导电橡胶（材料号1350）<br />&nbsp;&nbsp;具有最佳性能/价格比&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;<br /><span class="black">铝镀银</span>类导电橡胶（材料号1285）<br />具有优良屏蔽性能和抗盐雾性能&nbsp;&nbsp;<br /><br /><span class="black2">银/铜</span>类导电橡胶（材料号1215）<br />导电性能最好的导电橡胶&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br /></td><td valign="top" align="center" width="313"><img height="197" src="http://www&#46;tpyst&#46;com&#46;cn/img/cp7&#46;jpg" width="304" align="top" /></td></tr></tbody></table></td></tr><tr><td class="black" width="219">&nbsp;&nbsp;&nbsp;◆<span class="black1">&nbsp;应用场合</span></td><td class="black" align="left" width="361" colspan="2">&nbsp;</td></tr><tr valign="middle"><td class="black" align="left" colspan="3" height="75">&nbsp;&nbsp;&nbsp;&nbsp;导电橡胶主要用于要求密封或频率范围特别宽（高达40GHz以上），并具有优良屏蔽性能的场合，特别适用于中、小型军用电子机箱和微波波导系统。几十年实践表明，导电橡胶在航空、航天、舰船等军用电子设备中是应用最广泛的导电衬垫。尤其在恶劣环境中，凡水密橡胶均可用导电橡胶替代，同时完成环境密封和电磁密封。</td></tr><tr><td class="black" colspan="3" height="28"></td></tr><tr><td class="black" colspan="3">&nbsp;&nbsp;&nbsp;◆<span class="black1">&nbsp;</span><span class="black1">技术指标</span></td></tr><tr bgcolor="#666666"><td class="black" colspan="3" height="1"></td></tr><tr><td class="black" colspan="3"><table bordercolor="#cccccc" cellspacing="0" cellpadding="0" width="593" border="1"><tbody><tr class="black" align="center"><td width="65" bgcolor="#f0f0f0" rowspan="3">材料号</td><td bgcolor="#f0f0f0" colspan="6" height="22">电性能</td><td bgcolor="#f0f0f0" colspan="3">体电阻稳定性</td><td width="71" bgcolor="#f0f0f0" rowspan="3">温度范围<br />℃</td></tr><tr><td class="black" align="center" width="44" bgcolor="#f0f0f0" rowspan="2">体电阻Ω-CM</td><td class="black" align="center" bgcolor="#f0f0f0" colspan="5">屏蔽性能（dB）</td><td class="black" align="center" width="39" bgcolor="#f0f0f0" rowspan="2">热老化</td><td class="black" align="center" width="41" bgcolor="#f0f0f0" rowspan="2">振动后</td><td class="black" align="center" width="40" bgcolor="#f0f0f0" rowspan="2">EMP</td></tr><tr><td class="black" align="center" width="54" bgcolor="#f0f0f0">200KHz</td><td class="black" align="center" width="54" bgcolor="#f0f0f0">100MHz</td><td class="black" align="center" width="54" bgcolor="#f0f0f0">500MHz</td><td class="black" align="center" width="54" bgcolor="#f0f0f0">2GHz</td><td class="black" align="center" width="53" bgcolor="#f0f0f0">10GHz</td></tr><tr class="black" align="center"><td>1350</td><td>0&#46;01</td><td>50</td><td>100</td><td>100</td><td>90</td><td>80</td><td>0&#46;01</td><td>0&#46;01</td><td>--</td><td>-55～160</td></tr><tr class="black" align="center"><td>1285</td><td>0&#46;008</td><td>60</td><td>115</td><td>110</td><td>105</td><td>100</td><td>0&#46;01</td><td>0&#46;008</td><td>&gt;0&#46;9</td><td>-65～200</td></tr><tr class="black" align="center"><td>1215</td><td>0&#46;004</td><td>70</td><td>120</td><td>120</td><td>120</td><td>120</td><td>0&#46;01</td><td>0&#46;004</td><td>&gt;0&#46;9</td><td>-65～125</td></tr></tbody></table></td></tr><tr><td class="black" colspan="3">&nbsp;</td></tr><tr><td class="black" colspan="2">&nbsp;&nbsp;&nbsp;◆<span class="black1">&nbsp;产品规格</span></td><td class="black" align="right" width="361">单位：mm&nbsp;&nbsp;&nbsp;&nbsp;</td></tr></tbody></table><table cellspacing="0" cellpadding="3" width="598" align="center" border="0"><tbody><tr></tr><tr><td class="black" bgcolor="#666666" colspan="3" height="1"></td></tr><tr><td class="black" colspan="3"><table bordercolor="#cccccc" height="212" cellspacing="0" cellpadding="0" width="596" border="1"><tbody><tr><td class="black" align="center" width="97" bgcolor="#f0f0f0">名称</td><td class="black" align="center" width="139" bgcolor="#f0f0f0">型号</td><td class="black" align="center" width="63" bgcolor="#f0f0f0">厚度</td><td class="black" align="center" width="125" bgcolor="#f0f0f0">规格</td><td align="center" width="160" rowspan="5"><img height="87" src="http://www&#46;tpyst&#46;com&#46;cn/img/cp5&#46;jpg" width="150" /></td></tr><tr><td class="black" align="center" rowspan="4">导电橡胶板</td><td class="black" align="center">40-10-1010-1350</td><td class="black" align="center">0&#46;51</td><td class="black" align="center">254×254</td></tr><tr><td class="black" align="center">40-10-1020-1350</td><td class="black" align="center">0&#46;51</td><td class="black" align="center">508×254</td></tr><tr><td class="black" align="center">40-20-1010-1350</td><td class="black" align="center">0&#46;81</td><td class="black" align="center">254×254</td></tr><tr><td class="black" align="center">40-20-1020-1350</td><td class="black" align="center">0&#46;81</td><td class="black" align="center">508×254</td></tr><tr><td bgcolor="#666666" colspan="5" height="1"></td></tr><tr><td class="black" align="center" bgcolor="#f0f0f0" height="20">名称</td><td class="black" align="center" bgcolor="#f0f0f0">型号</td><td class="black" align="center" bgcolor="#f0f0f0">直径</td><td class="black" align="center" bgcolor="#f0f0f0">安装槽尺寸（高×宽）</td><td valign="top" align="center" rowspan="5"><img height="97" src="http://www&#46;tpyst&#46;com&#46;cn/img/cp6&#46;jpg" width="150" /></td></tr><tr><td class="black" align="center" rowspan="4">圆型截面<br />导电橡胶</td><td class="black" align="center">10-04-1687-1350</td><td class="black" align="center">1&#46;78</td><td class="black" align="center">1&#46;54×2&#46;03</td></tr><tr><td class="black" align="center">10-04-2657-1350</td><td class="black" align="center">2&#46;03</td><td class="black" align="center">1&#46;68×2&#46;26</td></tr><tr><td class="black" align="center">10-04-1720-1350</td><td class="black" align="center">2&#46;62</td><td class="black" align="center">2&#46;13×2&#46;90</td></tr><tr><td class="black" align="center" height="20">10-04-2463-1350</td><td class="black" align="center">3&#46;18</td><td class="black" align="center">2&#46;62×3&#46;38</td></tr></tbody></table></td></tr></tbody></table></td></tr><tr><td class="black" colspan="2">&nbsp;</td></tr><tr><td class="black" colspan="2">&nbsp;&nbsp;&nbsp;◆<span class="black1">&nbsp;</span><span class="black1">使用说明</span></td></tr><tr><td class="black" bgcolor="#666666" colspan="2" height="1"></td></tr><tr><td class="black" colspan="2" height="77">&nbsp;&nbsp; &nbsp; 导电橡胶必须受一定压力才能良好导电，所以，结构设计要保证导电橡胶既有合适压力又不过压，导电橡胶最 &nbsp;佳高度压缩量在5-15%，圆形成品导电橡胶条最佳高度范围在10-25%。</td></tr><tr><td class="black" colspan="2"><table height="79" cellspacing="0" cellpadding="0" width="608" border="0"><tbody><tr><td class="black" width="273" height="79">&nbsp; &nbsp; 导电橡胶板可以剪切成任意形状。当要求水密 &nbsp;封场合，利用导电橡胶板可冲切成无接头的闭合密 &nbsp;封衬垫。</td><td width="41">&nbsp;</td><td class="black" width="294">&nbsp;&nbsp;&nbsp;导电橡胶条一般要开槽安装，槽的尺寸应确保导电橡<br />&nbsp;胶不过压，又有合适压力；导电橡胶高度压缩量在规定<br />&nbsp;范围之内，最佳槽尺寸见表。</td></tr></tbody></table></td></tr><tr><td class="black" colspan="2" height="216"><table height="210" cellspacing="0" cellpadding="0" width="612" border="0"><tbody><tr><td align="center" width="297" height="210"><img height="177" src="http://www&#46;tpyst&#46;com&#46;cn/img/cp9&#46;jpg" width="290" /></td><td align="center" width="315"><img height="203" src="http://www&#46;tpyst&#46;com&#46;cn/img/cp8&#46;jpg" width="305" /></td></tr></tbody></table></td></tr><tr><td class="black" colspan="2" height="49">&nbsp; &nbsp; 为实现压力密封，导电橡胶需要形成闭环时，必须用专用的拼接材料和装置才能完成，也可选用导电橡胶成型<br />&nbsp;环制成品，按需求图纸规格加工。</td></tr></tbody></table></p>