FR4SheetNatural
FR4 - 4.625" 48 x 48 Natural Sheet
4.625 in × 48 in × 48 in Sheet
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About This Product
FR4 Glass Epoxy sheet in a substantial 4.625" thickness, supplied in a 48.0" x 48.0" sheet, delivers outstanding electrical insulation and dependable mechanical strength in a Natural finish. This extra-thick FR4 sheet is ideal for demanding structural and dielectric applications where rigidity, moisture resistance, and dimensional stability are critical.
Specifications
Shape
Sheet
Thickness
4.625 inWidth
48 inPrice
$7545.14 / Each
In Stock
21010 availableAvailable at 11 locations
Ships same day if ordered by 2pm
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Quick Info
Typical Properties — FR4 - 4.625" 48 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.