FR4SheetBlack
FR4 - 0.406" 36 x 48 Black Sheet
0.406 in × 36 in × 48 in Sheet
Same-day shipping available
Quality certified
Expert support
About This Product
This Black FR4 Glass Epoxy sheet in 0.406" thickness and 36.0" x 48.0" dimensions delivers a strong balance of electrical insulation, moisture resistance, and dependable mechanical stability for demanding industrial and electrical applications. With its thicker profile, this FR4 sheet offers added rigidity and durable performance, making it a smart choice for structural panels, fixtures, and fabricated components that require both strength and dimensional consistency.
Specifications
Shape
Sheet
Thickness
0.406 inWidth
36 inStarting at
$417.79
per Each
In Stock
21010 availableAvailable at 11 locations
Ships same day if ordered by 2pm
Quality guaranteed
Quick Info
Typical Properties — FR4 - 0.406" 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.