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OEM Transparent Polyimide PI Film Carbon Based Barrier Membrane 220V/μM

China OEM Transparent Polyimide PI Film Carbon Based Barrier Membrane 220V/μM

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OEM Transparent Polyimide PI Film Carbon Based Barrier Membrane 220V/μM

MOQ： 5kg
Price： $300-$30000
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Payment Terms	L/C,T/T
Supply Ability	Negotiation
Delivery Time	Negotiation
Packaging Details	Barrier+ PE foam sheet+ PE film+ Foam packing cotton
Film Appearance	The base material shall achieve atomic-scale surface uniformity while exhibiting total elimination of morphological irregularities, nanoscale particulate embeddings, cross-linked polymer clusters, or non-native impurities throughout its operational zone, w
Film Thickness (um)	38
Film Tensile Strengthh	180MPa
Film Elongation at break	30%
Film Young's Modulus	3.5GPa
Film Insulation Strength	220V/μm
Flame Retardant	V-0 Level
Thermal conductivity	1200 W/(mK)
Brand Name	Guofeng
Model Number	GC
Certification	UL ISO RoHS
Place of Origin	China Hefei

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Product Details
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Product Specification


Payment Terms	L/C,T/T	Supply Ability	Negotiation
Delivery Time	Negotiation	Packaging Details	Barrier+ PE foam sheet+ PE film+ Foam packing cotton
Film Appearance	The base material shall achieve atomic-scale surface uniformity while exhibiting total elimination of morphological irregularities, nanoscale particulate embeddings, cross-linked polymer clusters, or non-native impurities throughout its operational zone, w	Film Thickness (um)	38
Film Tensile Strengthh	180MPa	Film Elongation at break	30%
Film Young's Modulus	3.5GPa	Film Insulation Strength	220V/μm
Flame Retardant	V-0 Level	Thermal conductivity	1200 W/(mK)
Brand Name	Guofeng	Model Number	GC
Certification	UL ISO RoHS	Place of Origin	China Hefei
High Light	OEM Polyimide PI Film ，220V/μM Polyimide PI Film ，transparent polyimide film Membrane

GC38-Spec High-Purity Carbon-Based Barrier Membrane for Polyimide: Product Introduction

The GC38-Spec High-Purity Carbon-Based Barrier Membrane for Polyimide is a high-performance functional material specifically engineered to combine the excellent mechanical stability of polyimide substrates with the superior barrier properties of high-purity carbon. As a specialized membrane solution, it is designed to address critical protection needs in advanced industrial and electronic applications, where reliability, durability, and precision barrier performance are non-negotiable.

1. Core Product Characteristics

1.1 Ultra-High Carbon Purity & Uniform Coating

The membrane features a carbon-based barrier layer with industry-leading purity (≥99.9% carbon content, compliant with GC38 specification standards), ensuring minimal impurities that could compromise barrier efficiency or interact with sensitive components. The carbon layer is deposited uniformly across the polyimide surface—with a thickness tolerance of ±2%—eliminating weak points (e.g., pinholes, uneven coverage) that often lead to performance degradation in conventional barrier films.

1.2 Exceptional Barrier Performance

Targeting the permeation of moisture (H₂O) and oxygen (O₂)—two primary causes of material degradation in high-value applications—the GC38-spec membrane achieves moisture vapor transmission rate (MVTR) < 1×10⁻⁶ g/(m²·day) and oxygen transmission rate (OTR) < 0.001 cm³/(m²·day·atm). This level of protection effectively isolates polyimide-based components from environmental humidity and oxidative damage, even in harsh operating conditions.

1.3 Compatibility with Polyimide Substrates

The carbon-based barrier layer is designed for strong adhesion to polyimide (PI) materials, with a peel strength of >5 N/cm that resists delamination during processing (e.g., cutting, bending) or long-term use. Additionally, the membrane preserves the inherent advantages of polyimide—including high thermal resistance (continuous use temperature up to 260°C), excellent chemical stability (resistant to acids, alkalis, and organic solvents), and low dielectric constant—making it suitable for temperature- and chemical-sensitive environments.

1.4 Dimensional Stability & Flexibility

With a coefficient of thermal expansion (CTE) matched to polyimide (15–20 ppm/°C), the GC38-spec membrane avoids warping or cracking when exposed to temperature fluctuations. It also maintains structural integrity under repeated bending (≥10,000 cycles at a bending radius of 1 mm), making it ideal for flexible electronic devices that require dynamic shape adjustment.

2. Key Application Fields

2.1 Flexible Electronics

As a critical protective layer for flexible OLED displays, flexible solar panels, and wearable electronic sensors, the GC38-spec membrane prevents moisture and oxygen from penetrating into delicate components (e.g., OLED emitters, thin-film semiconductors). This extends the lifespan of devices—such as foldable smartphones or flexible health trackers—from 2–3 years to over 5 years in typical use.

2.2 Aerospace & Defense

In aerospace applications (e.g., polyimide-based wiring harnesses, satellite components), the membrane’s high thermal resistance and barrier performance shield materials from extreme temperature changes (-60°C to 300°C) and low-earth-orbit (LEO) environmental factors (e.g., atomic oxygen, micro-meteoroids). It also meets aerospace-grade flame-retardant standards (UL94 V-0), ensuring compliance with safety regulations.

2.3 Energy Storage

For high-performance lithium-ion batteries (LIBs) and solid-state batteries that use polyimide as a separator or packaging material, the GC38-spec membrane acts as a secondary barrier to prevent electrolyte leakage and moisture ingress. This enhances battery safety (reducing the risk of thermal runaway) and improves cycle life (extending charge-discharge cycles by >30% compared to uncoated polyimide separators).

2.4 Microelectronics & Semiconductors

In semiconductor manufacturing, the membrane is used to protect polyimide-based photoresists, interlayer dielectrics, and microelectromechanical systems (MEMS) from moisture-induced degradation during wafer processing or packaging. Its low dielectric constant (εᵣ < 3.0) also avoids interference with signal transmission in high-frequency microchips.

3. Compliance & Customization

The GC38-spec membrane fully adheres to international material standards (e.g., ISO 15106-3 for barrier film testing, ASTM D1003 for optical clarity). It is available in standard roll sizes (width: 300–1500 mm, length: 100–500 m) and can be customized with additional features—such as anti-reflective coatings or conductive carbon layers—based on specific application requirements.

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Business Type:

Manufacturer 
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Year Established:

2021 
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Total Annual:

28000-50000
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Employee Number:

300~400 
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Ecer Certification：

Verified Supplier 

HeFei GuoFeng Advanced Basic Materials Technology Co Anhui Guofeng New Materials Co., Ltd., a state-owned listed new materials enterprise under Hefei Municipal Government, has been deeply committed to five major industries since its establishment: polymer functional film mater... HeFei GuoFeng Advanced Basic Materials Technology Co Anhui Guofeng New Materials Co., Ltd., a state-owned listed new materials enterprise under Hefei Municipal Government, has been deeply committed to five major industries since its establishment: polymer functional film mater...

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Hefei Guofeng Advanced Basic Materials Technology Co., Ltd.
No.4266, Dongfang Avenue, Xinzhan District, Hefei, China
https://www.gfpimaterial.com/

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