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| Tên thương hiệu: | Guofeng |
| Số mẫu: | PI1 |
| MOQ: | 1 ton |
| Giá cả: | 1.0-2.0 USD/KG |
| Điều khoản thanh toán: | T/T,L/C,D/P,D/A,Western Union,MoneyGram |
| Khả năng cung cấp: | 180000 TON/YEAR |
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)
