Anhui Guofeng New Materials Co., Ltd.
| Payment Terms | T/T,L/C,D/P,D/A,Western Union,MoneyGram |
| Supply Ability | 180000 TON/YEAR |
| Delivery Time | 1-3 weeks |
| Packaging Details | Pallet |
| Thickness | 25μm / 50μm / 75μm (±5%) |
| Package | simple/vertical/suspend/horizontal |
| Tensile Strength | ≥200 MPa |
| Dielectric Strength | ≥100 kV/mm |
| Volume Resistivity | ≥1×10¹⁶ Ω·cm |
| Moisture Absorption | <1.0% (24hrs) |
| Brand Name | Guofeng |
| Model Number | PI1 |
| Certification | ISO9001, ISO14001, ISO45001, QS production license and ISO/TS16949 UK DAKKS |
| Place of Origin | HEFEI, CHINA |
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Product Specification
| Payment Terms | T/T,L/C,D/P,D/A,Western Union,MoneyGram | Supply Ability | 180000 TON/YEAR |
| Delivery Time | 1-3 weeks | Packaging Details | Pallet |
| Thickness | 25μm / 50μm / 75μm (±5%) | Package | simple/vertical/suspend/horizontal |
| Tensile Strength | ≥200 MPa | Dielectric Strength | ≥100 kV/mm |
| Volume Resistivity | ≥1×10¹⁶ Ω·cm | Moisture Absorption | <1.0% (24hrs) |
| Brand Name | Guofeng | Model Number | PI1 |
| Certification | ISO9001, ISO14001, ISO45001, QS production license and ISO/TS16949 UK DAKKS | Place of Origin | HEFEI, CHINA |
| High Light | GB Standard polyimide film ，black FPC coverlay film ，25-75μm polyimide film | ||
GB Standard Polyimide Black Film – Secure Coverlay for Confidential FPC Applications
Product Advantages
Engineered for maximum circuit protection, our opaque black PI film features:
Complete Light Blocking: >99.5% opacity (L* ≤25) prevents visual tracing
High-Temperature Endurance: 260°C glass transition temperature
Dimensional Stability: 15-25 ppm/°C CTE minimizes thermal stress
Safety Compliant: Halogen-free and UL 94 V-0 certified
Bonding Flexibility: Choice of acrylic or epoxy adhesive systems
Technical Specifications
Critical Applications
Defense Systems: Secure radar/drone circuitry
Medical Electronics: Implantable device protection
Premium Consumer Tech: Foldable display PCBs
Automotive Safety: ADAS camera modules
Industrial IoT: Tamper-proof sensor packaging
Quality Assurance
Anti-Reverse Engineering: Defeats optical/IR imaging
Precision Processing: Compatible with laser cutting/die punching
Custom Options: Adjustable opacity (L*15-30) and rigidity
Full Traceability: Complete resin-to-roll documentation
Processing Parameters
Lamination: 160-180°C @ 1.0-1.5MPa (3-5 minutes)
Laser Cutting: 355nm UV laser recommended
Chemical Resistance: Stable in IPA and weak acids
Ordering Information
Standard Formats: 500/1000mm × 100-300m rolls
Core Options: 3" or 6" industrial cores
Minimum Order: 200kg (samples available)
Company Details
Business Type:
Manufacturer
Year Established:
1998
Total Annual:
300000000-500000000
Employee Number:
1500~1700
Ecer Certification：
Verified Supplier
Anhui Guofeng New Materials Co., Ltd. was initiated exclusively by Anhui Guofeng Group Co., Ltd., and set up by issuing capital on September 23rd, 1998, and on November 19th of the same year, the stock was listed in Shenzhen Stock Exchange (stock code: 000859). The company has employs approxi... Anhui Guofeng New Materials Co., Ltd. was initiated exclusively by Anhui Guofeng Group Co., Ltd., and set up by issuing capital on September 23rd, 1998, and on November 19th of the same year, the stock was listed in Shenzhen Stock Exchange (stock code: 000859). The company has employs approxi...
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