Diameter: Φ6mm-Φ200mm
Length: 1000mm
Customization: Processing based on Drawings

Beyond its electrical insulating properties, epoxy resins exhibit great dimensional stability is usually less than 1 percent) and superior adhesive properties. G10/FR4 has extremely high mechanical strength, good dielectric loss properties, and good electric strength properties, both wet and dry.

No. | Index name | Unit | Index | |
1 | Vertical bending strength | MPa | ≥340 | |
2 | Parallel impact strength | KJ/m2 | - | |
3 | Water absorbency | mg | - | |
4 | Vertical electrical strength | Kv/mm | 13-19.5 | |
5 | Vertical layer voltage resistance | KV | - | |
6 | Parallel layer breakdown voltage | KV | ≥35 | |
7 | Dielectric constant | ≤5.5 | ||
8 | Dielectric loss factor | ≤0.04 | ||
9 | Surface resistivity | - | ||
10 | Volume resistivity | Normal behavior | M·m | - |
After soaking | ≥5×104 | |||
11 | Heat resistance grade | F 155ºC |









