Ready Plastics
FR4SheetNatural

FR4 - 6.125" 36 x 48 Natural Sheet

About this product

This FR4 Glass Epoxy sheet in Natural color is supplied in a substantial 6.125" thickness with full 36.0" x 48.0" dimensions, making it a strong choice for large-format electrical and structural applications. Its extra-thick build delivers exceptional rigidity and dependable dimensional stability, while FR4’s inherent insulating performance and moisture resistance help it excel in demanding industrial environments.

FR4 - 6.125" 36 x 48 Natural SheetFR4 - 6.125" 36 x 48 Natural Sheet - view 2FR4 - 6.125" 36 x 48 Natural Sheet - view 3
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This FR4 sheet measures 6.125″ thick, 36″ × 48″, finished in natural. Available to order — price $9917.27 per Each.

SpecificationValueTolerance
Shape / FormSheet
Thickness6.125″±0.172″
Width36″Standard
Length48″Standard
ColorNatural
Weight707.381 lbs
Specifications

Shape

Sheet

Thickness

6.125 in(±0.172 in)

Width

36 in

Length

48 in

Weight

707.381 lbs

Color

Natural

Unit of Measure

Each

Other FR4 sizes

← All FR4stock & specs

Price

$9917.27 / 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
Thickness6.125 in(±0.172 in)
Width36 in
Length48 in
Weight707.381 lbs

Typical Properties — FR4 - 6.125" 36 x 48 Natural 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.