Ready Plastics
FR4SheetBlack

FR4 - 2.750" 36 x 48 Black Sheet - 2.75 in × 36 in × 48 in Sheet

2.75 in × 36 in × 48 in Sheet

FR4 - 2.750" 36 x 48 Black SheetFR4 - 2.750" 36 x 48 Black Sheet - view 2FR4 - 2.750" 36 x 48 Black Sheet - view 3FR4 - 2.750" 36 x 48 Black Sheet - view 4
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This FR4 sheet measures 2.75″ thick, 36″ × 48″, finished in black. Available to order — price $4378.20 per Each.

SpecificationValueTolerance
Shape / FormSheet
Thickness2.75″Standard
Width36″Standard
Length48″Standard
ColorBlack
Weight317.6 lbs
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 in

Width

36 in

Length

48 in

Weight

317.6 lbs

Color

Black

Unit of Measure

Each

Other FR4 sizes

← All FR4stock & specs

Price

$4378.20 / Each

In Stock
21010 available
Available at 11 locations

$150 order minimum

Ships same day if ordered by 2pm
Quality guaranteed
Quick Info
CategoryFR4
FormSheet
Thickness2.75 in
Width36 in
Length48 in
Weight317.6 lbs

Typical Properties — FR4 - 2.750" 36 x 48 Black Sheet

Glass Epoxy Fr4
Mechanical
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.