YD-FG205 FR4 fiberglass Sheets

FR4 Fiberglass Sheets: Flame retardant, heat resistant, moisture stable, excellent electrical performance, high mechanical strength, widely used in the field of electronic insulation.

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    Product Introduction

    FR4 epoxy glass fiber laminate is a type of laminate formed by immersing glass fiber cloth in epoxy resin and then forming it through heat and pressure. It is suitable for use in isothermal and medium temperature conditions, offering certain mechanical and electrical performance for mechanical, electrical, and electronic insulation components. The material is made by impregnating glass fiber cloth with brominated epoxy resin, then heated and pressed. It exhibits high mechanical and dielectric properties, flame resistance, good heat and moisture resistance, and is easily machinable.

    Product Dimension

    Specification Overview
    Name YD-FG205 FR4 epoxy glass fiber laminated sheet
    Base Material Epoxy Resin + Glass Fiber
    Color aquamarine
    Thickness 0.3mm – 150mm   ( More than 300mm can be produced according to product requirements)
    Size Standard sizes are 1020x1220mm, 1220x2020mm,1220x2440mm; for special sizes, we can produce and cut according to customer's requirements.
    Density 2.0–2.1g/cm³
    Product Technical Specifications
    Specification Name Unit Specification Value
    Density g/cm³ 2.0-2.1
    Water Absorption % ≤ 0.5
    Flexural Strength Perpendicular to Laminations MPa ≥ 340
    Compressive Strength Perpendicular to Laminations MPa ≥ 350
    Impact Strength Parallel to Laminations (Charpy method with notch) KJ/m² ≥ 37
    Shear Strength Parallel to Laminations MPa ≥ 34
    Tensile Strength MPa ≥ 300
    Dielectric Strength Perpendicular to Laminations at 90°C ± 2°C in oil 1mm KV/mm ≥ 14 .2
    2mm ≥ 11 .8
    3mm ≥ 10 .2
    Breakdown Voltage Parallel to Laminations at 90°C ± 2°C in oil kV ≥ 40
    Dielectric Dissipation Factor (at 50 Hz) – ≤ 0 .04
    Insulation Resistance Normal Normality Ω ≥ 5 .0 × 1012
    After 24 hours immersion in water ≥ 5 .0 × 1010
    Flammability (UL-94) Rating V- 0

    Product Features

    Product Display

    Purchasing Steps

    Purchasing Steps for Youda Insulation

    Delivery Time

    * Note: If you order a large quantity and variety of products, the delivery cycle may be extended appropriately.

    If you have special requirements for the product, you can inform me through online chat, email, WhatsApp, or any other method, and we will contact you within the same day to address your concerns.


      Please share your application, size or estimated quantity.
      Not sure about the specifications? Tell us what you need it for.