FR4SheetBlack
FR4 - 2.750" 36 x 48 Black Sheet
2.75 in × 36 in × 48 in Sheet
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About This Product
This Black FR4 Glass Epoxy sheet in a substantial 2.75" thickness and 36.0" x 48.0" size is built for demanding electrical and structural applications that require outstanding strength and dimensional stability. The extra-thick FR4 sheet delivers excellent dielectric insulation, moisture resistance, and dependable machinability, making it a smart choice for heavy-duty fixtures, supports, and high-performance industrial components.
Specifications
Shape
Sheet
Thickness
2.75 inWidth
36 inPrice
$3367.85 / Each
In Stock
21010 availableAvailable at 11 locations
Ships same day if ordered by 2pm
Quality guaranteed
Quick Info
Typical Properties — FR4 - 2.750" 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.