【产品】采用CHO-SEAL®全系列导电橡胶材料的导电密封圈，提供水汽密封功能、电磁密封和导电接地功能

时间： 2019-04-09 来源：Parker Chomerics

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PARKER CHOMERICS（派克固美丽）是全球领先的屏蔽材料和导热材料供应商之一，该公司的产品几乎覆盖了所有的相关应用领域。导电密封圈是该公司提供的一种重要产品类型，采用各种导电橡胶材料制成，通常安装在电子产品外壳的凹槽中，在提供水汽密封功能的同时，还能起到电磁密封和导电接地的功能。

图1 多种尺寸导电O形圈和导电D形圈的实物图

O形圈和D形圈是最常见的两种导电密封圈类型，图1中所展示的就是Parker Chomerics生产的多种尺寸导电O形圈和D形圈产品。O形和D形，并不是指我们眼见的垫圈环状结构，而是指垫圈截面的形状为O形和D形，如下图2中所示。O形圈的优点是结构适应性强，绝大部分的凹槽结构都能使用O形圈，使用和设计上更加灵活。D形圈也是很常用的一种结构，适用于至少有一面为平面的凹槽结构，通常会以平面一边为底面进行安装，通过这种结构上的微调整，能够获得更好的导电接触性和弹性支撑强度。

图2 O形圈和D形圈的结构示意图

这两种导电密封圈的横截面尺寸最小可以做到0.040英寸（1.02mm），最大可以做到0.350英寸（8.89mm）；环内径最小0.100英寸（2.54mm），理论上环内径没有上限，可以根据客户需求定制放大。有一点需要注意，当环内径大于2英寸（51mm）时，O形圈和D形圈都将不再采用预制成型的生产方式，而是改为橡胶条材料挤出后再拼接的生产方式。

该类型密封垫圈采用的材料为Parker Chomerics CHO-SEAL^®全系列的导电橡胶材料，橡胶基质有硅橡胶、氟硅橡胶、EPDM（三元乙丙橡胶）等，而填充金属颗粒有纯银、镀银铜、镀银铝、镀银玻璃、镀镍铝、镀镍石墨等多种。选择面广，适应性强，客户可以根据自身需求选取最合适的材料类型，以获得最切合的电气性能、机械性能和成本效益。

另外，特别提示一下，在设计过程中，要确保环形凹槽相对于密封圈留下了足够的空间余量，避免出现密封圈过盈配合的情况。推荐的D形圈高度余量为8%~20%，极限公差时的最大槽填充量为97%；O形圈推荐10%~25%的预留余量，极限公差时的最大槽填充量同样97%。

导电密封圈（O形圈和D形圈）的主要特点：

• 采用Parker Chomerics CHO-SEAL^®全系列导电橡胶材料

• 提供水汽密封、电磁密封和导电接地功能

• O形圈的优点是结构适应性强，使用和设计上更加灵活

• D形圈通过结构上的微调整，能够获得更好的导电接触性和弹性支撑强度

• 能够提供数百种不同尺寸的产品

• 推荐的D形圈高度余量为8%~20%，极限公差时的最大槽填充量为97%

• O形圈推荐10%~25%的预留余量，极限公差时的最大槽填充量同样为97%

导电密封圈（O形圈和D形圈）的典型应用：

• 电子产品外壳

• 屏蔽机箱，屏蔽机舱

• 小型便携式设备

• 电信设备，军工设备，工业设备

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【产品】CHO-SEAL®增强型橡胶屏蔽密封圈，以涤纶织物或金属层加固，能够提供极佳的机械强度

在既需要保留导电橡胶的弹性和密封性，又需要耐受极大机械强度的应用中，例如飞机的机身、舱门、翼板等应用环境，就不能使用普通的密封圈产品。Parker Chomerics为类似这样的特殊应用需求，专门开发了一种增强型橡胶屏蔽密封圈产品CHO-SEAL®。该产品采用导电橡胶材料为基础，增加涤纶织物或金属丝网结构进行加固，生产上采用整体塑模工艺，在提供增强的机械性能同时，还能保留导电橡胶的电气性能。

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目录- EMI Materials Gasket Elastomer Binder & Elastomer Filler

型号- CHO-TM101,CHO-SEAL 1285,L6303,CHO-SEAL 6452,CHO-SEAL 6330,CHO-SEAL®,CHO-SEAL 6371,CHO-SEAL 6370,1217,1215,1212,CHO-SEAL V6433,1298,6502,CHO-SEAL 1239,CHO-SEAL L6303,6503,6308,CHO-SEAL 1310,6307,V6433,CHOSEAL 6503,CHO-SEAL 6460,CHOSEAL 6502,1273,1350,CHO-SEAL S6600,1270,1224,1221,6435,S6600,CHO-SEAL 1401,CHO-SEAL 1287,6452,6330,1285,6371,6370,1239,1310,CHO-SEAL 1215,CHO-SEAL 1217,CHO-SEAL 6308,CHO-SEAL 6307,CHO-SEAL 1298,CHO-SEAL 6503,CHO-SEAL 6502,CHO-SEAL 1212,CHO-SEAL® 1215,CHO-SEAL 1273,CHO-SEAL 1350,6460,CHO-SEAL 1270,CHO-SEAL S6305,56600,1401,1287,CHO-SEAL 1221,CHO-SEAL 1224,CHO-SEAL,S6305,CHO-SEAL 6435

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6330,10-07-3226-XXXX,19-07-25333-XXXX,19-09-16336-XXXX,10-04-9769-XXXX,10-04-8817-XXXX-40,19-04-11204-XXXX,19-06-L064-XXXX,10-00-5983-XXXXX,10-07-E263-XXXX,19-09-11225-XXXX,10-00-1406-XXXXX,10-03-1859-XXXXX,10-04-8363-XXXX-40,19-06-15899-XXXX,10-04-6386-XXXX**,19-09-30385-XXXX,20-01-5225-1239,19-07-27623-XXXX,10-05-6394-XXXX,19-08-23568-XXXX,19-09-11408-XXXX,19-04-20951-XXXX,19-07-12200-XXXX,10-07-4483-XXXX-40,10-00-4452-XXXXX,10-08-3872-XXXX,10-00-2230-XXXXX,10-04-8363-XXXX,19-07-25114-XXXX,19-09-18963-XXXX,30-03-2068-XXXXX,19-04-21162-XXXX,19-09-23709-XXXX,19-04-W049-XXXX,19-09-24684-XXXX,19-05-B254-XXXX,19-04-14261-XXXX,19-09-32174-XXXX,19-05-12883-XXXX,10-04-8133-XXXX-40,20-03-3731-1212,19-04-20982-XXXX,19-04-22066-XXXX,10-05-4542-XXXX-40,40-TA-1015-6371,10-00-0032-XXXXX,19-04-22129-XXXX,30-03-8800-XXXXX,19-04-12902-XXXX,10-00-1342-XXXXX,10-00-1407-XXXXX,19-09-10843-XXXX,10-06-6175-XXXX,20-01-5135-1239,30-03-2076-XXXXX,30-03-1981-XXXXX,10-05-1363-XXXX,10-06-C716-XXXX,19-05-12066-XXXX,19-09-X962-XXXX,10-05-4318-XXXX-40,19-09-19880-XXXX,20-01-5120-1239,30-02-2042-XXXXX,19-07-F463-XXXX,19-05-19354-XXXX,19-04-X787-XXXX,10-04-4254-XXXX,40-TA-2020-6371,19-05-F173-XXXX-40,40-TO-1020-V6433,10-08-4315-XXXX-40,10-00-1845-XXXXX,19-04-12909-XXXX,10-05-3224-XXXX,10-04-4148-XXXX,19-08-22217-XXXX,19-07-11294-XXXX,19-04-14632-XXXX,10-07-4217-XXXX-40,20-11-5020-1239,10-06-3599-XXXX-40,19-06-C442-XXXX,10-05-1362-XXXX-40,10-01-6565-XXXXX,20-01-5145-1239**,20-01-5140-1239**,10-00-4123-XXXXX,19-04-26087-XXXX,CHO-SEAL 6308,30-03-2075-XXXXX,CHO-SEAL 6307,20-01-5145-1239,10-05-6394-XXXX-40,20-02-6531-1212,10-04-1720-XXXX,19-07-L463-XXXX,40-TA-1015-6330,19-26-5541-0650,19-04-23086-XXXX,19-05-C128-XXXX,20-11-5035-1239,10-02-2736-XXXXX,30-02-2052-XXXX,19-09-28323-XXXX,46-TA-1020-90XX,19-09-22539-XXXX,19-07-12877-XXXX,20-03-6645-1212,10-07-4523-XXXX,19-04-11651-XXXX,19-09-24030-XXXX,19-05-L547-XXXX,19-04-14537-XXXX,19-09-25853-XXXX,10-04-1687-6503,10-00-1360-XXXXX,20-03-6685-1212*,40-T0-1015-V6433,20-03-3561-1212,19-04-20072-XXXX,19-07-M327-XXXX,10-00-2071-XXXXX,19-26-5538-0650,20-01-5055-1239**,20-02-6530-1212,19-08-E622-XXXX,19-09-F676-XXXX,10-04-W267-XXXX,19-09-19022-XXXX,19-04-22533-XXXX,20-03-L767-1212,19-09-24063-XXXX,19-09-17428-XXXX,10-05-1499-XXXX-40,10-04-3560-XXXX,30-02-2057-XXXXX,19-04-13564-XXXX,19-09-M942-XXXX,19-04-12792-XXXX,20-11-1683-1239,19-05-14960-XXXX,19-09-14377-XXXX,10-05-8635-XXXX,40-TA-1010-6460,30-02-ZZZZ-XXXXX,40-T0-1010-V6433,CHO-SEAL S6305,10-04-W293-XXXX,19-04-25875-XXXX**,10-00-1770-XXXXX,19-04-22230-XXXX,30-02-2050-XXXXX,19-07-F627-XXXX,10-05-2618-XXXX-40,10-05-6419-XXXX,19-04-15443-XXXX,20-02-6510-1212,10-04-2561-XXXX,30-03-2066-XXXXX,30-02-2055-XXXXX,10-01-1264-XXXXX,20-01-5135-1239**,

2022/2/17 - PARKER CHOMERICS - 应用笔记或设计指南代理服务技术支持批量订货

【选型】如何根据法兰的形状和尺寸，选择合适的橡胶密封O形圈

本文基于派克固美丽的产品，介绍了O形圈的基本定义，及其配合异形法兰的应用和选型方法。要求在法兰槽的设计中，考虑拐角的最小半径“r”，这个“r”至少为O形圈横截面直径的3倍，理想情况下应大于6倍。除了横截面直径以外，还需要特别注意的一个尺寸是中心线周长，法兰槽的中心线周长应当尽量与O形圈的中心线周长相匹配。以及根据法兰形状定制O圈的方案，能够精确的将O圈与法兰进行配合，从而完全消除应力问题。

2019-05-24 - 器件选型代理服务技术支持批量订货

【应用】导电橡胶圈CHO-SEAL®6370为5G通信腔体滤波器提供电磁密封和环境密封

对于5G通信设备可能存在的EMI问题，推荐固美丽导电橡胶密封圈CHO-SEAL®6370。以硅橡胶为基质的导电橡胶材料CHO-SEAL®6370系列，其填充金属为镀镍石墨颗粒，具备镍金属的耐盐雾腐蚀能力和石墨颗粒的润滑特性。在10GHz频段及以下提供95dB的屏蔽效能，具有优异的屏蔽性能及密封性能。耐温范围-45℃～150℃，满足严苛应用环境。

2020-02-25 - 应用方案代理服务技术支持批量订货

优化电动汽车系统性能密封、屏蔽和散热解决方案

04/18 - PARKER CHOMERICS - 应用及方案代理服务技术支持批量订货

【经验】什么是橡胶屏蔽O形密封圈压缩量？如何设计以实现更佳效果？

本文讨论的是关于O形圈在密封结构中的压缩量，这是设计过程中必须考虑的关键属性之一，正确的设计，能够保证在最长的使用寿命周期内，获得最佳的O形圈密封效果，对于O形圈以及配套法兰的损伤也会更小。

2019-05-24 - 设计经验代理服务技术支持批量订货

【经验】橡胶材料硬度对于O形密封圈设计的影响

本文要讨论的是关于橡胶材料硬度，这一关键参数对于O圈设计的影响。以派克固美丽公司提供的导电橡胶材料为实例，具体说明材料硬度这一属性。在高压力密封的环境中，就需要选用硬度高的橡胶材料，增加密封强度和长期抵抗高应力的能力。而在某些精密的密封环境中，就需要选用硬度低、强度小的橡胶材料，避免造成应力损伤。导电橡胶材料CHO-SEAL®系列，覆盖了40~85Shore A的宽广范围。

2019-05-25 - 设计经验代理服务技术支持批量订货

Soft-Shield®5000低闭合力，泡沫芯EMI垫圈上的导电织物护套

描述- SOFT-SHIELD® 5000 是一种低闭合力导电织物覆盖泡沫芯EMI密封圈，适用于商业电子系统。该产品提供了一种低成本、高性能的EMI屏蔽解决方案，具有优异的压缩性和耐久性，适用于薄壁塑料外壳等应用。

型号- 82-122-74049-09600,82-122-74059-09600,77-12-3175-09600,77-12-3643-09600,SOFT-SHIELD 3500,82-122-74019-09600,82-122-74099-09600,82-122-74029-09600,77-12-3233-09600,82-122-74039-09600,82-122-74009-09600,SOFT-SHIELD 5000,82-122-74101-09600,82-122-74056-09600,82-122-74036-09600,77-12-3872-09600,77-12-3311-09600,82-122-74003-09600,82-122-74013-09600,82-122-74006-09600,82-122-74016-09600,82-122-74066-09600,82-122-74023-09600,82-122-74081-09600,77-12-3669-09600,82-122-74020-09600,77-12-3649-09600,77-12-3837-09600,82-122-74000-09600,77-12-3148-09600,77-12-3128-09600,77-12-3626-09600,82-122-74040-09600,77-12-3666-09600,77-12-3102-09600,77-12-3498-09600,82-122-74024-09600,77-12-3533-09600,SOFT-SHIELD® 5000 FAMILY,82-122-74014-09600,77-12-3298-09600,77-12-3651-09600,77-12-9288-09600,82-122-74054-09600,82-122-74008-09600,77-12-3113-09600,82-122-74001-09600,82-122-74031-09600,82-122-74041-09600,77-12-3176-09600,77-12-3667-09600,82-122-74053-09600,77-12-3807-09600,77-12-3650-09600,82-122-74025-09600,82-122-74048-09600,82-ABC-XXXXX-YYYYY,82-122-74030-09600,82-122-74118-09600,82-122-74037-09600,77-12-3470-09600,77-12-3268-09600,82-122-74002-09600,SOFT-SHIELD® 5000,77-12-3823-09600,77-12-3217-09600,77-12-3607-09600,77-12-3149-09600,77-12-3214-09600,77-12-3224-09600,77-12-3830-09600,77-12-3785-09600,77-12-3765-09600,77-12-3151-09600,77-12-3106-09600,77-12-3672-09600,77-12-3174-09600,82-122-74015-09600,82-122-74058-09600,82-122-74035-09600,82-122-74038-09600,SOFT-SHIELD® 5000 SERIES,82-122-90057-09600,82-122-74027-09600,77-12-3370-09600,82-121-74012-09600,82-122-74055-09600,82-122-74095-09600,77-12-3806-09600,82-122-74032-09600,82-122-74007-09600,82-122-74012-09600,82-122-74052-09600,77-12-3671-09600,77-12-3648-09600,77-12-3150-09600,77-12-3173-09600,77-12-3608-09600,82-122-74004-09600,82-122-74034-09600,82-122-74074-09600,82-122-74084-09600,77-12-3104-09600,77-12-3219-09600,77-12-3133-09600,77-12-3143-09600,82-122-74018-09600,82-122-74011-09600,82-122-74021-09600,77-12-3890-09600,77-12-3845-09600,77-12-3602-09600,77-12-3126-09600,77-12-3850-09600,82-122-74005-09600,82-122-74033-09600,82-122-74028-09600,82-122-74010-09600,82-122-74017-09600,77-12-3270-09600,SOFT-SHIELD 5000 SERIES,77-12-3816-09600,77-12-3601-09600,77-12-3693-09600,82-122-74057-09600,77-12-3914-09600,82-122-74022-09600

June 2020 - PARKER CHOMERICS - 数据手册代理服务技术支持批量订货

【应用】专为军用车载地面雷达系统定制的屏蔽通风面板解决方案

本文介绍的是一个军用车载地面雷达的屏蔽方案实例，需要为车辆中的电子设备外壳提供适用的通风面板产品。主要的设计要求为，空气流量要大、电磁屏蔽效果要好，还要有耐环境腐蚀和水汽密封的功能。派克固美丽公司，在类似应用中，具有出色的产品性能优势，以及突出的工程设计能力。能够提供给客户远超过预期的高性能、高质量解决方案，并且还具有一定的成本效益。

2019-05-07 - 应用方案代理服务技术支持批量订货

【经验】电动汽车电池性能最大化的五种方法

只有选择经过验证，可靠，高质量的产品才能实现电动汽车电池的有效热管理和EMI屏蔽，才能最大限度地提高性能。本文针对电动汽车电池热管理和EMI保护，推荐Parker Chomerics旗下EMI屏蔽材料方案。

2019-03-31 - 设计经验代理服务技术支持批量订货

CHO-BOND®1030单组分柔性导电硅粘合剂

描述- CHO-BOND 1030是一种单组分导电硅酮粘合剂，适用于需要实现灵活、强韧导电电连接的应用。它简化了将导电硅酮EMI密封圈固定到金属基板上的问题，特别适合于较小的接缝（小于0.010英寸），不适用于大于0.010英寸的接缝。该产品不含挥发性有机化合物（VOCs），固化后收缩率低，适用于商业和军事等多种应用。

型号- 50-02-1030-1000,CHO-BOND® 1030,50-01-1030-0000,CHO-BOND 1030,50-02-1030-0000

July 2020 - PARKER CHOMERICS - 数据手册代理服务技术支持批量订货

【产品】美国军用标准防松螺母专用导电O形圈，采用CHO-SEAL®系列导电橡胶材料

O形圈由于结构通用性好，工艺精度高，一直都是密封圈类产品中最常见的类型之一。在既需要水汽密封，又需要电磁密封的应用环境中，就需要用到以导电橡胶为原料制成的导电O形圈产品。Parker Chomerics根据国际上比较流行的三款美国军用标准MIL-C-38999，MIL-C-26482和MIL-C-81511，生产了一系列标准的防松螺母专用导电O形圈产品。

2019-04-25 - 新产品代理服务技术支持批量订货