FR4SheetBlack
FR4 - 0.375" 36 x 48 Black Sheet
0.375 in × 36 in × 48 in Sheet
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About This Product
This Black FR4 Glass Epoxy sheet, sized 36.0" x 48.0" with a substantial 0.375" thickness, is built for demanding electrical and structural applications that require dependable strength and insulation. The thicker FR4 sheet delivers excellent rigidity, moisture resistance, and high dielectric performance, making it a smart choice for fixtures, panels, and machined components where stability and durability matter.
Specifications
Shape
Sheet
Thickness
0.375 inWidth
36 inPrice
$385.75 / Each
In Stock
21010 availableAvailable at 11 locations
Ships same day if ordered by 2pm
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Quick Info
Typical Properties — FR4 - 0.375" 36 x 48 Black Sheet
Glass Epoxy Fr4Mechanical
PropertyTest MethodUnitValue
Tensile strengthpsi / MPa65,000 / 445
Compressive strengthpsi / MPa38,000 / 260
Flexural strength (LW -A 0.125″)psi / MPa60,000 / 410
Bond strengthpsi / MPa2,300 / 15
Shear strengthpsi / MPa21,500 / 145
Hardness (M scale)115
Izod impact strength at 49°C (LW)14.00
General
DescriptionValue
Specific gravity1.85
Flammability rating94V-0
Water absorption (24 hours)0.10
Operating Environment
PropertyTest MethodUnitValue
Maximum temperature°C / °F140 / 280
Typical properties are provided for reference only. Values may vary based on processing conditions, form factor, and lot. Contact Ready Plastics for certified test data.