 |
NEMA | FR4 |
| CEI EN 60893 | EPGC202 | |
| Mil-I-24768 | 27 GEE-F | |
| DIN 7735 | HGW 2372.1 | |
| CNR CEI UNEL | Tipo EV |
| Product made from glass fabric and epoxy resin, with good dielectric and mechanical properties even at high temperatures. Low dielectric losses in a moist environment. Flame retardant. |
| characteristics | conditioning | average value |
| Density | - | 1,85 ÷ 1,9 g/cm³ |
| Maximum operating temperature | - | 150°C |
| Electrical resistance between plugs | D-24/20 | 5x104MOhm |
| Insulation resistance | D-24/20 | 102MOhm |
| Electric strength perpendicular (⊥) to laminations | d-03/90 | 40 KV/mm |
| Breakdown Voltage parallel (//) to laminations | d-25/90 | 50 KV |
| Loss factor tan δ - 50 Hz | A | 0,05 |
| Loss factor tan δ - 1000 Hz | A | 0,05 |
| Loss factor tan δ - 1 MHz | A | 0,02 |
| Dielectric constant (ε) | A | 5 |
| Comparative Tracking Index (C.T.I.) | A | 200 |
| Compressive strength perpendicular (⊥) to laminations | A | 3000 Kg/cm² |
| Compressive strength parallel (//) to laminations | A | 2000 Kg/cm² |
| Tensile strength | A | 2800 Kg/cm² |
| Flexural strength | A | 4500 Kg/cm² |
| Impact strength (Charpy) | A | 100 Kg*cm/cm² |
| Rockwell hardness (scale F) | A | 65 |
| Water absorption | D-24/20 | 0,2% (≠ 1 mm) |
| Thermal conductivity | A | 0,25 W/m*K |
| conditioning | ||
| A | ambient conditions | |
| D-24/20 | After 24 hours in water at 20°C | |
| d-03/90 | 1 minutes at 90°C in oil ≠ 3mm | |
| d-25/90 | 1 minutes at 90°C in oil ≠ 25mm |
| Note: The values in this datasheet are approximate and refer to the samples analyzed. The user is required to verify that the product is suitable for the use for which it is intended. |
Insulating plates
Micro-worked filter
Elbow-shape spacer
Some workpieces
Some workpieces