FR4 - 0.375" 36 x 48 Black Sheet
About this product
This Black FR4 Glass Epoxy sheet, sized 36.0" x 48.0" with a substantial 0.375" thickness, is built for demanding electrical and structural applications that require dependable strength and insulation. The thicker FR4 sheet delivers excellent rigidity, moisture resistance, and high dielectric performance, making it a smart choice for fixtures, panels, and machined components where stability and durability matter.




This FR4 sheet measures 0.375″ thick, 36″ × 48″, finished in black. In stock — price $501.47 per Each.
| Specification | Value | Tolerance |
|---|---|---|
| Shape / Form | Sheet | |
| Thickness | 0.375″ | ±0.030″ |
| Width | 36″ | Standard |
| Length | 48″ | Standard |
| Color | Black | |
| Weight | 43.309 lbs | |
Shape
Sheet
Thickness
0.375 in(±0.030 in)Width
36 inLength
48 inWeight
43.309 lbs
Color
Black
Unit of Measure
Each
Other FR4 sizes
- FR4 - 3.000" 36 x 48 Natural Sheet — $4181.18
- FR4 - 3" dia x 48" Natural Rod — $770.98
- FR4 - 0.187" dia x 48" Natural Rod — $14.28
- FR4 - 3.250" 36 x 48 Natural Sheet — $5021.15
- FR4 - 2.625" 36 x 48 Natural Sheet — $3658.25
- FR4 - 0.010" 36 x 48 Black Sheet — $25.53
- FR4 - 0.055" 48 x 96 Natural Sheet — $201.57
- FR4 - 3.25" dia x 48" Natural Rod — $908.28
- FR4 - 0.750" 36 x 48 Natural Sheet — $878.51
- FR4 - 0.062" dia x 48" Natural Rod — $9.79
- FR4 - 0.562" dia x 48" Natural Rod — $31.48
- FR4 - 1.125" dia x 48" Natural Rod — $105.60
Price
$501.47 / Each
Orders under $150 include a $60 small-order charge
Typical Properties — FR4 - 0.375" 36 x 48 Black Sheet
Glass Epoxy Fr4Typical properties are provided for reference only. Values may vary based on processing conditions, form factor, and lot. Contact Ready Plastics for certified test data.