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    Flame-Retardant Garolite G-10/FR4 Sheet

    Multipurpose, 12" x 12", 5/16" Thick, Black

    Image of Product. Front orientation. Flame-Retardant Garolite G-10/FR4 Sheet, Multipurpose, 12" x 12", 5/16" Thick, Black.
    Technical Drawing of Flame-Retardant Garolite G-10/FR4 Sheet, Multipurpose, 12" x 12", 5/16" Thick, Black.
    Image of Product. Side1 orientation. Contains SizingReference. Flame-Retardant Garolite G-10/FR4 Sheet, Multipurpose, 12" x 12", 5/16" Thick, Black.
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    Performance

    Extreme Strength, Flame Retardant, High Strength, High Temperature, Highly Absorbent, Highly Electrically Insulating, Moisture Resistant, Ultra Impact Resistant

    Tolerance Rating

    Standard

    Color

    Black

    Thickness

    5/16"

    Thickness Tolerance

    -0.026" to 0.026"

    Width

    12"

    Width Tolerance

    -1/4" to 1/4"

    Length

    12"

    Length Tolerance

    -1/4" to 1/4"

    Temperature

    Minimum

    Not Rated

    Maximum

    280° F

    Tensile Strength

    35,000 psi to 50,000 psi

    Impact Strength

    5.5 ft·lbf/in to 12 ft·lbf/in

    Hardness

    Rockwell M110

    Hardness Rating

    Extra Hard

    For Use Outdoors

    No

    Military Specification

    MIL-I-24768/27

    Flammability Rating

    UL 94 V-0

    Application

    Multipurpose

    Backing Type

    Plain

    Clarity

    Opaque

    Compressive Strength Range

    35,000 psi to 66,000 psi

    Density

    0.069 lb/in³

    Dielectric Strength

    350 V/mil to 800 V/mil

    Flatness Tolerance

    Not Rated

    Flexibility

    Rigid

    Flexural Strength

    45,000 psi to 60,000 psi

    Material

    Garolite

    Material Grade

    Garolite G-10/FR4

    Reinforcement Material

    Fiberglass Fabric

    Resin Material

    Epoxy

    Shape

    Sheet, Bar

    Texture

    Smooth

    Warning Message

    Physical and mechanical properties are not guaranteed. They are intended only as a basis for comparison and not for design purposes.

    Water Absorption

    0.1% to 0.15%

    Country of Origin

    United States

    DFARS Compliance

    Specialty Metals COTS-Exempt

    Export Control Classification Number (ECCN)

    EAR99

    REACH Compliance

    REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant

    RoHS Compliance

    RoHS 3 (2015/863/EU) Compliant

    Schedule B Number

    392190.5050

    U.S.–Mexico–Canada Agreement (USMCA) Qualifying

    Yes

    Additional Specifications

    A good all-around choice, these Garolite G-10/FR4 sheets and bars are strong, machinable, and electrically insulating. They're made of a flame-retardant epoxy resin with fiberglass fabric reinforcement. Garolite G-10/FR4 is also called epoxy-grade industrial laminate and phenolic.

    If you don't see the size you're looking for, please specify a length under additional bar lengths.

    The information in this 3-D model is provided for reference only.