国产精品一区二区在线观看

欢迎(ying)来到(dao)飞荣(rong)达企业官(guan)网!
服务热线: 0755-86081680   邮箱: info@zgsmsh.com
HR招聘微信
股票代码
300602
Products 产(chan)品中心
导电硅橡胶

导(dao)电硅橡(xiang)胶

上市日期: 2022-05-05
基本描述:

 又称导电弹性体,是以硅(gui)(橡)胶(jiao)为(wei)基材、利用(yong)粘(zhan)合剂,填充(chong)纯银(yin)(yin)(yin)(yin)、铜镀银(yin)(yin)(yin)(yin)、铝镀银(yin)(yin)(yin)(yin)、镍镀银(yin)(yin)(yin)(yin)、玻璃镀银(yin)(yin)(yin)(yin)、石(shi)墨镀银(yin)(yin)(yin)(yin)、石(shi)墨镀镍或石(shi)墨颗粒而成,它具(ju)有理想的(de)屏蔽(bi)功能,适用(yong)于各种场合,既可作为(wei)EMI屏蔽(bi)也可以用(yong)作环境密封(feng)使用(yong)。

定(ding)制(zhi)下载附件表 下载文档

 

导电硅橡胶应用设计方面的考虑

 

除了电子元器件机壳和连接处的尺寸和形状外,导电硅橡胶在应用设计方面通常还要考虑下面几个设计元素:

1、屏蔽效能

设计时应考虑干扰源的强度和频率,电场或磁场的主导地位及系统的功率和信号的衰减要求以及材料的一些特性和厚度要求。

2、闭合力

实体的导电硅橡胶材料可以很好的耐受较高的闭合力及环境压力并满足重复开启和闭合要求。它是通过改变自身形状而不是体积来适应所受的压力,从而达到密封的。所以在设计时就要考虑到实体导电硅橡胶在受热或受压情况下的形状改变所需的潜在空间。因所需的密封要求不同,所需的闭合力的大小也会不同,例如仅需要电磁密封时,仅需要6磅/in的力即可,如果在电磁密封同时,还需要防水,则需要施加8磅/in的力才可能达到要求。另外如果施加较小的闭合力时,可采用横截面积为中空的形状的挤出导电胶条,如中空O形或者中空D形等,可以节约大量的原材料。

3、体积填充比

对于大多数静态密封的应用,必须要计算密封的体积和密封胶条将占用多少空间,以决定后者是否可以容纳密封圈,所以体积填充比的设计就显得非常重要。过填充和填充不足都可能使密封失败。

4、压缩量

压缩量提供给设计人员一个不同形状横截面导电橡胶条的变形能力的定性比较。它是导电硅橡胶材料硬度和横截面的形状的函数。

5、电化学相容性

在设计密封胶条时,胶条与配合面间的电化学相容性也必须给予适当的重视。能够发生电化学腐蚀必须三个条件,缺一不可。它们是:一)两种不同导电材料相互接触或者导体联接;二)它们之间存在着导电的环境,如电解溶液,盐雾、水蒸汽等;三)两种材料的电动势差距大。只有这三个条件同时具备时才会发生电化学腐蚀,影响密封性能。另外,聚合物材料的渗透性也影响电化学腐蚀。由于限制了电解质溶液浸入导电橡胶内,而防止了电化学腐蚀的发生。

6、其它

1) 在装配过程中,避免拉伸导电胶条超过5%。因为拉伸过长,造成橡胶内部的导电粒子之间不能导通形成足够的导电通路,会影响导电性能,也就影响了胶条的屏蔽效能。
2) 如果存在剪切力时,则不要选用横截面积为O形的导电橡胶条,应选择横截面为D形、P形或者是C形。
3) 所用的(de)(de)导(dao)电橡胶条的(de)(de)压缩永(yong)久(jiu)变(bian)形(xing)越小越好,一般控制在30%以(yi)内(nei)(以(yi)ASTM D395 method B)。

 

 

 

Products / 产品推(tui)荐(jian) More
2024 - 07 - 29
型号:
液冷板部分案例
2022 - 12 - 12
型(xing)号:
应用(yong)和(he)特点FRD 飞荣达 EMI 金(jin)属屏(ping)(ping)(ping)蔽产品适用(yong)于(yu)存在EMI / RFI 或者ESD  问题的(de)广泛(fan)的(de)电(dian)子设(she)备中(zhong)。 ► 种(zhong)类(lei)繁多,安装方式多样(yang),可用(yong)于(yu)各(ge)种(zhong)屏(ping)(ping)(ping)蔽室/ 机箱门(men)/ 盖板/ 印(yin)刷板插板/ 集成电(dian)路屏(ping)(ping)(ping)蔽等。► 能较好地应用(yong)于(yu)屏(ping)(ping)(ping)蔽材料需放置(zhi)在屏(ping)(ping)(ping)蔽体的(de)顶(ding)部或侧面,需要滑动摩(mo)擦的(de)场(chang)合。► 适用(yong)于(yu)从(cong)小型(xing)手持(chi)装置(zhi)到大型(xing)屏(ping)(ping)(ping)蔽室的(de)各(ge)种(zhong)场(chang)合。 ʌ 优良的(de)弹(dan)性(xing)回复性(xing)                                          ʌ 低压缩力,可反复双向压缩ʌ 持(chi)久的(de)耐(nai)疲劳特性(xing)                                          ʌ 无(wu)应力松弛(chi)现象,尺寸稳定性(xing)好ʌ 材料性(xing)能几乎(hu)不受圆角和(he)片纹方向影(ying)响            &#...
2016 - 08 - 19
型号:
导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)类产(chan)品(导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian))项(xiang)(xiang)(xiang)目(mu)介绍 目(mu)前(qian)(qian)FRD导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)类产(chan)品项(xiang)(xiang)(xiang)目(mu)主(zhu)要(yao)由以下几类产(chan)品构(gou)成(cheng):导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)胶带、导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian)、全方位导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)泡棉(mian)。FRD的(de)(de)(de)(de)(de)(de)(de)(de)导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)类产(chan)品项(xiang)(xiang)(xiang)目(mu)现在已(yi)(yi)经(jing)具(ju)备自主(zhu)研发(fa)、设(she)(she)计及(ji)生产(chan)的(de)(de)(de)(de)(de)(de)(de)(de)能(neng)(neng)(neng)力(li),多项(xiang)(xiang)(xiang)技(ji)术(shu)在国内同(tong)行中处于(yu)领(ling)先地位,例如,FRD在2009年初推出自主(zhu)开发(fa)的(de)(de)(de)(de)(de)(de)(de)(de)无卤阻燃导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian)产(chan)品填补了国内该产(chan)品的(de)(de)(de)(de)(de)(de)(de)(de)空(kong)白。目(mu)前(qian)(qian)FRD拥有24条(tiao)全自动(dong)高速生产(chan)线(xian),月(yue)产(chan)能(neng)(neng)(neng)超过700万(wan)米。 其中导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian)的(de)(de)(de)(de)(de)(de)(de)(de)产(chan)品系(xi)列占导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)类产(chan)品项(xiang)(xiang)(xiang)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)80%份额,相关客户(hu)已(yi)(yi)经(jing)涉及(ji)消费电(dian)(dian)(dian)(dian)(dian)(dian)子、通讯、汽车、医疗(liao)等众多应(ying)用(yong)(yong)领(ling)域。 导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian)是(shi)由具(ju)有导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)和(he)防(fang)腐(fu)(fu)蚀性(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)纤(xian)维布(bu)(bu)(bu)(bu),内衬(chen)(chen)低压(ya)缩力(li)的(de)(de)(de)(de)(de)(de)(de)(de)PU泡棉(mian)而构(gou)成(cheng),具(ju)有良(liang)好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)屏蔽(bi)(bi)效(xiao)果(guo)。导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)纤(xian)维布(bu)(bu)(bu)(bu)是(shi)由Polyester纤(xian)维表(biao)面覆上铜和(he)镍金(jin)属表(biao)层(ceng)所构(gou)成(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)金(jin)属纤(xian)维编织而成(cheng),纤(xian)维底层(ceng)是(shi)高导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)铜,表(biao)层(ceng)是(shi)防(fang)氧化抗腐(fu)(fu)蚀的(de)(de)(de)(de)(de)(de)(de)(de)镍金(jin)属。铜和(he)镍的(de)(de)(de)(de)(de)(de)(de)(de)结合(he)(he)(he)(he)提供极(ji)佳(jia)的(de)(de)(de)(de)(de)(de)(de)(de)导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)和(he)屏蔽(bi)(bi)效(xiao)果(guo)。导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian)在100KHz到(dao)1GHz的(de)(de)(de)(de)(de)(de)(de)(de)频率(lv)范围可得到(dao)良(liang)好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)屏蔽(bi)(bi)效(xiao)果(guo)。 导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian)特别适用(yong)(yong)于(yu)容量和(he)闭合(he)(he)(he)(he)压(ya)力(li)有限的(de)(de)(de)(de)(de)(de)(de)(de)场(chang)(chang)合(he)(he)(he)(he),而且成(cheng)本较低,在要(yao)求良(liang)好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)贴合(he)(he)(he)(he)性(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)高性(xing)(xing)(xing)能(neng)(neng)(neng)屏蔽(bi)(bi)的(de)(de)(de)(de)(de)(de)(de)(de)场(chang)(chang)合(he)(he)(he)(he)特别适合(he)(he)(he)(he)使用(yong)(yong),可以广泛应(ying)用(yong)(yong)于(yu)电(dian)(dian)(dian)(dian)(dian)(dian)子机箱(xiang)、机壳、室内机箱(xiang)、工业设(she)(she)备、笔记本电(dian)(dian)(dian)(dian)(dian)(dian)脑、移动(dong)通讯设(she)(she)备等。  导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian)(FoF)导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)衬(chen)(chen)垫(dian),即(ji)导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)(bu)(bu)包(bao)泡棉(mian)衬(chen)(chen)垫(dian),是(shi)以布(bu)(bu)(bu)(bu)料(liao)为基材的(de)(de)(de)(de)(de)(de)(de)(de)具(ju)有导(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)、弹性(xing)(xing)(xing)特性(xing)(xing)(xing)且具(ju)有一定抗电(dian)(dian)(dian)(dian)(dian)(dian)磁干扰功(gong)能(neng)(neng)(neng)用(yong)(yong)于(yu)阻止电(dian)(dian)(dian)(dian)(dian)(dian)子设(she)(she)备电(dian)(dian)(dian)(dian)(dian)(dian)磁波通过的(de)(de)(de)(de)(de)(de)(de)(de)元器件(jian)。为了能(neng)(neng)(neng)...
友情(qing)链接(jie):
Copyright ©1993-2023 深圳市飞荣(rong)达科技股份有限公司
犀牛(niu)云提(ti)供企(qi)业云服务(wu)
X
1

QQ设置(zhi)

3

SKYPE 设置

4

阿里旺旺设置

等待(dai)加载动态(tai)数据...

等待加(jia)载动态数据...

5

免费电话

  • 您的(de)姓(xing)名(ming):
  • *
  • 公司名称(cheng):
  • 地址:
  • 电话:
  • *
  • 传真(zhen):
  • E-mail:
  • 邮(you)政编码:
  • 留言主题(ti):
  • 详(xiang)细(xi)说明:
  • 验证码:
6

二维码管理

等待加载动态数(shu)据...

等待加(jia)载动态数据...

展开