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제품 세부 정보

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GB Standard Conventional Polyimide Black Film – Opaque Coverlay for Confidential FPC Designs

GB Standard Conventional Polyimide Black Film – Opaque Coverlay for Confidential FPC Designs

브랜드 이름: Guofeng
모델 번호: PI1
MOQ: 1 ton
가격: 1.0-2.0 USD/KG
지불 조건: T/T,L/C,D/P,D/A,Western Union,MoneyGram
공급 능력: 180000 TON/YEAR
상세 정보
Place of Origin:
HEFEI, CHINA
인증:
ISO9001, ISO14001, ISO45001, QS production license and ISO/TS16949 UK DAKKS
Material:
polyimide
Thickness:
25μm / 50μm / 75μm (±5%)
Width:
Customized
Length:
Customized
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)
Adhesion to Copper:
≥1.0 N/mm (peel)
Packaging Details:
Pallet
Supply Ability:
180000 TON/YEAR
제품 설명

 

GB Standard Conventional Polyimide Black Film – Opaque Coverlay for Confidential FPC Designs

 
 

Product Overview

 
Our GB Conventional Polyimide Black Film is an opaque, non-transparent coverlay engineered for flexible printed circuits (FPCs) requiring structural confidentiality. With a *matte black finish (L ≤ 25)** and high-temperature resistance, it prevents visual reverse-engineering while providing electrical insulation, mechanical protection, and chemical stability—ideal for military, aerospace, and premium consumer electronics.
 
 

Key Features

 

    ✔ Light Blocking (Opacity >99.5%) – Conceals circuit traces and layer stacking
    ✔ High Tg (≥260°C) – Withstands lead-free soldering and reflow processes
    ✔ Low CTE (15-25 ppm/°C) – Minimizes thermal stress on fine-pitch circuits
    ✔ Halogen-Free & UL 94 V-0 – Meets strict flame-retardancy standards
    ✔ Adhesive Options – Acrylic (standard) or epoxy (high-bond)

 

Applications