Polyimide
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Polyimide

Polyimide Film

Polyimide Film: High-Performance Material in the Electronics Industry Polyimide film is a high-performance material widely used in the electronics industry. This film boasts excellent electrical, mechanical, and high-temperature resistance properties, making it an indispensable material in the...

Description

Polyimide Film: High-Performance Material in the Electronics Industry

Polyimide film is a high-performance material widely used in the electronics industry. This film boasts excellent electrical, mechanical, and high-temperature resistance properties, making it an indispensable material in the electronics industry.

I. Characteristics of Polyimide Film

Electrical Properties: Polyimide film has excellent insulation and dielectric properties, making it suitable for use in insulation materials, cable insulation, and capacitor dielectrics.

Mechanical Strength: Polyimide film has high tensile and flexural strength, able to withstand the challenges of high and low temperatures.

High-Temperature Resistance: Polyimide film maintains stable performance at high temperatures, thus retaining its original properties in extreme environments.

Other Characteristics: Polyimide film also features a low coefficient of thermal expansion, low moisture absorption, and good chemical stability.

II. Applications of Polyimide Film

Integrated Circuit Packaging: In integrated circuit packaging, polyimide film serves as an insulation layer and protective layer, providing excellent electrical and mechanical protection.

Flexible Circuit Boards: Polyimide film can be used as a substrate for flexible circuit boards, with excellent mechanical strength and high-temperature resistance.

Thermal Resistors: Polyimide film can be employed in manufacturing thermal resistors with high precision and good stability.

Solar Cell Panels: In solar cell panels, polyimide film is used as a back panel material, providing good protection and insulation.

Sensors and Actuators: Polyimide film can be utilized in creating sensors and actuators with excellent mechanical and electrical properties.

In conclusion, as a high-performance material, polyimide film has extensive application prospects in the electronics industry. With the continuous development of technology, polyimide film will be applied in more areas, bringing more convenience to human production and life.

FAQ

1.Q: Are you trading company or manufacturer ?


A: We are a manufacturer, We have more than 36 years experience in producing electrical insulation material.


2.Q: Where is your factory located? How can I visit there?


A: Our factory is located in Xuchang,Henan provience.


3.Q: Which certification do you have?


A: The plant has passed the certificate of ISO 9001 quality system certification;
The products have passed ROHS test.


4.Q: Can i get a samples for free?


A: Of course we can sent you a sample for free, customers just need to pay a litter shipping change.


5.Q: How long is the delivery time?


A: Generally it is 5-15 days if polyimide film price is in stock, or it is 15-30 days.

Item Unit Value
Nominal thickness um 25 40 50 75 100 125 150 175 250
Thickness tolerance um 4 4 7 8 7 11 11 12 15
-3 -4 -6 -6 -7 -7 -7 -8 -10
Tensile strength um 165 165 165 165 165 165 160 155 150
Breaking elongation % 40 50 50 50 50 50 50 50 50
AC electric strength(48Hz-62Hz) V/um 235 200 195 175 145 120 115 100 90
  Range mm Allowable deviation
Cutting Width <26 ±0.4
  26~102 ±0.8
  >102 ±1.6
Density kg/m3 1425±10
Melting point Don't melt
Relative permittivity 50Hz 3.5±0.4
23℃ 1KHz 3.4±0.4
Dielectric loss factor 23℃, ≤4.0×10-3
50Hz or 1Hz
Volume resistively Ω·m ≥1.0×1010
Surface resistivity Ω ≥1.0×1014
Dimensional stability (shrinkage rate in vertical and horizontal directions) (only required for thickness ≥25μm) 150℃ % ≤0.35
400℃ ≤2.5
Water absorption (damp for 24h) % ≤4.0
Long term heat resistance ≥200
Shelf life and conditions Year Store at room temperature, two years from the date of delivery. If it exceeds the storage period, it can still be used normally after passing the inspection. Keep away from heat sources, strong acids and alkalis, and avoid long-term ultraviolet light exposure.

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