Ready Plastics
FR4SheetBlack

FR4 - 0.031" 36 x 48 Black Sheet - 0.031 in × 36 in × 48 in Sheet

0.031 in × 36 in × 48 in Sheet

FR4 - 0.031" 36 x 48 Black SheetFR4 - 0.031" 36 x 48 Black Sheet - view 2FR4 - 0.031" 36 x 48 Black Sheet - view 3FR4 - 0.031" 36 x 48 Black Sheet - view 4FR4 - 0.031" 36 x 48 Black Sheet - view 5
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This FR4 sheet measures 0.031″ thick, 36″ × 48″, finished in black. In stock — price $48.79 per Each.

SpecificationValueTolerance
Shape / FormSheet
Thickness0.031Standard
Width36Standard
Length48Standard
ColorBlack
Weight3.58 lbs
About This Product

This FR4 Glass Epoxy sheet in Black measures 36.0" x 48.0" with a 0.031" thickness, making it a dependable choice for lightweight electrical panels, insulating barriers, and precision-fabricated components. The thin 0.031" profile offers excellent machinability and reliable dielectric performance, while FR4’s moisture resistance and dimensional stability help maintain consistent results in demanding environments.

Specifications

Shape

Sheet

Thickness

0.031 in

Width

36 in

Length

48 in

Weight

3.58 lbs

Color

Black

Unit of Measure

Each

Other FR4 sizes

← All FR4stock & specs

Price

$48.79 / Each

In Stock
21010 available
Available at 11 locations

Minimum order: 4 units

Ships same day if ordered by 2pm
Quality guaranteed
Quick Info
CategoryFR4
FormSheet
Thickness0.031 in
Width36 in
Length48 in
Weight3.58 lbs

Typical Properties — FR4 - 0.031" 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.