FR4SheetBlack
FR4 - 0.281" 36 x 48 Black Sheet
0.281 in × 36 in × 48 in Sheet
Same-day shipping available
Quality certified
Expert support
About This Product
This Black FR4 Glass Epoxy sheet, sized 36.0" x 48.0" with a sturdy 0.281" thickness, is engineered for demanding electrical and structural applications that require dependable insulation and dimensional stability. Its thicker profile adds excellent rigidity and impact resistance, while the FR4 material delivers strong moisture resistance and reliable dielectric performance for panels, fixtures, and fabricated components.
Specifications
Shape
Sheet
Thickness
0.281 inWidth
36 inPrice
$289.29 / Each
In Stock
21010 availableAvailable at 11 locations
Ships same day if ordered by 2pm
Quality guaranteed
Quick Info
Typical Properties — FR4 - 0.281" 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.