FR4SheetNatural
FR4 - 3.375" 36 x 48 Natural Sheet
3.375 in × 36 in × 48 in Sheet
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About This Product
Built for demanding electrical and structural applications, this FR4 Glass Epoxy sheet features a substantial 3.375" thickness and a full 36.0" x 48.0" format in Natural color for dependable performance in large-format fabrication. The extra-thick sheet delivers exceptional rigidity, high dielectric strength, and strong moisture resistance, making it an excellent choice for insulating fixtures, machined components, and heavy-duty support panels.
Specifications
Shape
Sheet
Thickness
3.375 inWidth
36 inPrice
$4010.76 / Each
In Stock
21010 availableAvailable at 11 locations
Ships same day if ordered by 2pm
Quality guaranteed
Quick Info
Typical Properties — FR4 - 3.375" 36 x 48 Natural 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.