Ready Plastics
FR4SheetNatural

FR4 - 0.040" 48 x 96 Natural Sheet

About this product

This FR4 Glass Epoxy sheet in Natural color measures 0.04" thick and 48.0" x 96.0", making it a dependable choice for electrical, mechanical, and fabrication applications that require consistent insulation performance. At this thinner 0.04" profile, FR4 offers a practical balance of rigidity, machinability, and moisture-resistant durability, while the full 48.0" x 96.0" sheet size supports efficient cutting for panels, spacers, and precision components.

FR4 - 0.040" 48 x 96 Natural SheetFR4 - 0.040" 48 x 96 Natural Sheet - view 2FR4 - 0.040" 48 x 96 Natural Sheet - view 3
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This FR4 sheet measures 0.04″ thick, 48″ × 96″, finished in natural. Available to order — price $146.85 per Each.

SpecificationValueTolerance
Shape / FormSheet
Thickness0.04″±0.008″
Width48″Standard
Length96″Standard
ColorNatural
Weight12.319 lbs
Specifications

Shape

Sheet

Thickness

0.04 in(±0.008 in)

Width

48 in

Length

96 in

Weight

12.319 lbs

Color

Natural

Unit of Measure

Each

Other FR4 sizes

← All FR4stock & specs

Price

$146.85 / 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
Thickness0.04 in(±0.008 in)
Width48 in
Length96 in
Weight12.319 lbs

Typical Properties — FR4 - 0.040" 48 x 96 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.