参数资料
| 型号： | 4270-12Y |
| 厂商： | 3M |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | COVER CIRCULAR .655" ID 1000PCS |
| 标准包装： | 1 |
| 系列： | 4270 |
| 附件类型： | 帽盖（盖） |
| 适用于相关产品： | MS90376 和 MIL PRF 5501/31A 或 32A 连接器 |
| 外壳尺寸 - 插件： | 0.655" ID，0.715" OD |
| 材质： | 合成 |
| 其它名称： | 05400718533 4270 0.66" ID 4270 0.66" ID-ND 98079814418 |
3
4270 Series Electrically
Conductive Connector Covers
Conductive Composite
3M ? 4270 Series Connector Covers feature a new unique
Conductive Composite material. The material is
made intrinsically conductive by uniformly
distributing a conductive matrix of fibers during
compounding. The covers are permanently
volume conductive and free of carbon black
particulate. The 4270 Series Covers do not leave
black marks and are more suited to clean
situations.
Noncorrosive
4270 Series Connector Covers are
noncorrosive and produce no visible
corrosion when tested to Federal Test
Method 101C using Kovar test
plates.
Military Application
4270 Series Circular Connectors
Covers were designed to meet the
requirements and intentions of MS90376,
and MIL PRF 5501/31A or 32A. Prominent military
contractors have qualified these materials to their own
specifications and are encouraging their use.
Material Properties
Conformability
The material used in the covers were also selected for
its resilience. Properly sized, the covers provide a snug,
secure fit. This helps keep connectors clean and
prevents the cover from accidentally falling off.
Chemical Susceptibility
Property
Resistivity
Contact Corrosivity
Crayoning
Elongation
Tensile
Vicat Softening
Out Gassing
Test Method
ASTM D991
FTM 101C
Metod 3005
(Kovar plate)
3M
ASTM D638
ASTM D638
ASTM MD 1525
ASTM E595
Typical Value
<10 5 ohm-cm
Pass
Not visible
25%
1500 psi
96 o C
Pass
Chemical
Dilute Acids
Dilute Alkalines
Concentrated Acids
Concentrated Alkalines
Methanol, Ethanol, and
Isopropanol
Hydrocarbons
Ketones
Oil and Gasoline
Reactions
Slight Attack
Slight Attack
Severe Attack
Severe Attack
Resistant
Slight Attack
Dissolves
Severe Attack
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