Fr4 Epoxy Glass Cloth Laminate Sheet
Description:
FR4 Epoxy Glass Fabric Laminated Sheet, a versatile, all around insulating material, it's
created from alkali-free glass cloth that has been impregnated with an epoxy resin under
heat and pressure process, which meets UL-94 requirement
Features:
Better insulating properties than Fish Paper (Vulcanized Fiber)
Excellent Strength properties
Anti-Fire properties
Retains 50% flexural strength at 150'C
Performs special well in humid environments
Applications:
Sensitive electronic equipment
Circuit Board manufacturing
Relays and Switches
Communication systems
Mechanical and appliances lines
Technician Data
Test Item | Test Condition | Unit | SPEC | Typical Value | |
| Tg | DSC | °C | ≥125 | 135 | |
| Flammability | E-24/125 | ____ | UL94V-0 | V-0 | |
| Volume Resistivity | C-96/35/90 | MΩ.cm | ≥106 | 2.0×108 | |
| Surface Resistivity | C-96/35/90 | MΩ | ≥104 | 2.0×106 | |
| Arc Resistivity | D-48/50+D-0.5/23 | S | ≥60 | 135 | |
| Dielectric Breakdown | D-48/50+D-0.5/23 | KV | ≥40 | 60 | |
| Dielectric Constant(1MHz) | 1MHz C-24/23/50 | ____ | ≤5.4 | 4.6 | |
| Dissipation Factor(1MHz) | 1MHz C-24/23/50 | ____ | 0.035 | 0.0117 | |
| Thermal Stress | Unetched | 288°C,10S | ____ | No Delamination | No Delamination |
| etched | |||||
| Flexural Strength | LW | N/mm2 | ≥415 | 500 | |
| CW | ≥315 | 450 | |||
| Absorption | D-24/23 | % | ≤0.8 | 0.15 | |
| CTI | IEC60112 Method | V | 175~250(Grade 3) | 210 | |
