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What are the material characteristics of powder foam and silicone outer electronic conductive strips?
April 04, 2024
1125
CN Display Manufacturer, Global Supplier
April 04, 2024
1125
In the display manufacturing process(Especially during the design process of COB module), powder foam and silicone outer electronic conductive strips (zebra strips) are two commonly used types. The properties of these two materials are different. The following table clearly summarizes the two types from multiple dimensions. Material properties.
Powder foam type electronic conductive strip Silicone conductive strip
Zebra Connector Material properties table
Item(Unit)
| Position
| Foam：YP
| Silica gel：YS
|
SpecificGravity
| Insulator
| 1.15 | 1.15 |
Conductor
| 1.2 | 1.2 | |
Supporter
| 0.75
| 1.05 | |
Tensile Strength(kg/cm²)
| Insulator
| 70-80
| 70-80
|
Conductor
| 50-60
| 50-60
| |
Supporter
| 10~15
| 30~40
| |
Elongation(%)
| Insulator
| 150~250
| 150~250
|
Conductor
| 150~200
| 150~200
| |
Supporter
| 250-350
| 300~400
| |
ShoreAHardness
| Insulator
| 55~65
| 55~65
|
Conductor
| 65~75
| 65~75
| |
Supporter
| 20-30
| 35~45
| |
Compression Set(%)
| 10~18
| 10~16
| |
VolumeResistance (Ω·cm)
| Insulator
| 10^12
| 10^12
|
Conductor
| 5
| 5
| |
Supporter
| 10^12
| 10^12
| |
Voltage(kV/mm)
| Insulator
| 20-25
| 20~25
|
Supporter
| 2~3
| 20~25
| |
InsulationResistanceDC.500V(M Ω)
| MIN.1000
| MIN.1000
| |
RatedCurrentDensity(mA/mm²)
| Conductor
| 1 | 1 |
OperatingTemperatureRange (℃)
| -30 ~+120
| ||
StorageTemperatureRange (℃)
| -40 ~ 180 | ||
The following is a partial enlarged view of the conductive tape:
For COB LCD displays containing conductive strips, please click on this product link: COB LCD display product list
For more information about electronic conductive strip related products, please visit the official website of Hongtai Technology: https://www.display-lcd.com/
CN Display Manufacturer, Global Supplier