$7.51 - $4,563.61

FR-4 Sheets from Ready Plastics offer excellent electrical insulating properties, high mechanical strength, and flame resistance, making them ideal for printed circuit boards, insulation panels, and structural applications requiring fire safety. View technical specifications and more details below.

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Details on FR4 Sheets


Ready Plastics' FR4 sheets are high-quality thermoset laminates composed of woven fiberglass fabric and epoxy resin, engineered for outstanding electrical insulation and mechanical stability. Known for their flame-retardant properties and excellent resistance to moisture, FR4 sheets are ideal for use in applications that demand reliable performance under varying environmental conditions. These sheets offer excellent dimensional stability and maintain structural integrity even in high-temperature settings, making them suitable for critical components in electrical systems. FR4 sheets are commonly used to fabricate insulating barriers, circuit board bases, and protective covers, delivering consistent strength and safety in demanding applications.

 

Technical Specifications


MIL-SPEC: Mil-1-24768/27 Type GEE-F
NEMA GRADE: FR4 SHEET

ASTM-SPEC: ASTM D709

FR4 Material Properties


Specific Gravity: 1.85
Tensile Strength (psi): 38,000
Comp. Strength: 66,000
Flexural Strength (psi): 60,000
Hardness, M Scale: 115
Bond Strength (psi): 2,300
Shear Strength (psi): 21,500
Dissipation Factor, 10 cycles, Cond A: 0.022
Dielectric Constant 10 cycles, Cond A: 4.80
Electric Strength V/MIL Cond A: 800
Flammability Rating: 94V-O
Max. Oper. Temp C/F: 140/284
Coeff. Thermal Exp. IN/IN/C x 10-5: 1.00
Water Absorption %-24 hrs: 0.10
Izod Impact Strength (ft/lb/in) @ 49 C: 14.00