Ready Plastics
FR4SheetBlack

FR4 - 2.250" 36 x 48 Black Sheet

About this product

Built for demanding electrical and structural applications, this FR4 Glass Epoxy sheet comes in a substantial 2.25" thickness with full 36.0" x 48.0" dimensions and a Black finish. The extra-thick profile delivers outstanding rigidity and dimensional stability, while FR4’s dependable electrical insulation, moisture resistance, and mechanical strength make this black sheet a strong choice for heavy-duty fabricated components and support panels.

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This FR4 sheet measures 2.25″ thick, 36″ × 48″, finished in black. In stock — price $3582.16 per Each.

SpecificationValueTolerance
Shape / FormSheet
Thickness2.25″±0.085″
Width36″Standard
Length48″Standard
ColorBlack
Weight259.854 lbs
Specifications

Shape

Sheet

Thickness

2.25 in(±0.085 in)

Width

36 in

Length

48 in

Weight

259.854 lbs

Color

Black

Unit of Measure

Each

Other FR4 sizes

← All FR4stock & specs

Price

$3582.16 / Each

In Stock
21010 available
Available at 11 locations

Orders under $150 include a $60 small-order charge

Ships same day if ordered by 2pm
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Quick Info
CategoryFR4
FormSheet
Thickness2.25 in(±0.085 in)
Width36 in
Length48 in
Weight259.854 lbs

Typical Properties — FR4 - 2.250" 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.