FR4SheetBlack
FR4 - 0.340" 36 x 48 Black Sheet
0.34 in × 36 in × 48 in Sheet
Same-day shipping available
Quality certified
Expert support
About This Product
This Black FR4 Glass Epoxy sheet in 0.34" thickness and 36.0" x 48.0" dimensions delivers a strong balance of electrical insulation, moisture resistance, and dependable mechanical stability for demanding fabricated parts. The thicker 0.34" profile adds excellent rigidity for structural panels, fixture backers, and high-performance electrical applications where dimensional consistency and durable insulating performance matter.
Specifications
Shape
Sheet
Thickness
0.34 inWidth
36 inPrice
$405.09 / Each
In Stock
21010 availableAvailable at 11 locations
Ships same day if ordered by 2pm
Quality guaranteed
Quick Info
Typical Properties — FR4 - 0.340" 36 x 48 Black Sheet
Glass Epoxy Fr4Mechanical
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.