| SHENGRUI GRADE | E3502 | ||||
| IEC893/EN60893 GRADE | EPGC202 | ||||
| ANSI(NEMA) GRADE NEMA LI-1 | FR-4 | ||||
| DIN7735 | Hgw2372.1 | ||||
| General Information | Test Method | Unit | Typical Values | ||
| Physical Properties | Color | - | - | Greenish White/Yellow | |
| Specific Gravity | - | G/Cm3 | 1.95-2.0 | ||
| Water Absorption | E-24/50+D-24/23 | % | 0.07-0.16 | ||
| Electrical Properties | Electric Strength⊥ | C-96/20/65(In90oC Oil) | Kv/Mm | ≥14 | |
| Electric Strength// | C-0.5/90(In90oC Oil) | KV | 40 | ||
| Volume Resistivity | C-96/20/65 | Ω | 5×1011-1013 | ||
| C-96/20/65 +C-96/40/90 | 5×1010-1012 | ||||
| Surface Resistivity | C-96/20/65 | Ω | 5×1010-1012 | ||
| C-96/20/65 +C-96/40/90 | 5×1010-1011 | ||||
| Dielectric Strength | C-96/20/65 | Ω.Cm | 5×1011-1012 | ||
| C-96/20/65 +D-2/100 | 5×108-109 | ||||
| Dielectric Constant 1MHZ | C-96-20-65 | --- | 4.0-5.0 | ||
| C-96/20/65 +D-48/50 | 4.5-5.5 | ||||
| Dissipation Factor 1MHZ | C-96/20/65 | --- | 0.03-0.04 | ||
| C-96/20/65 +D-48/50 | 0.04-0.05 | ||||
| Arc Resistance(HV) | C-96/20/65 | Sec | 130-140 | ||
| Mechanical Properties | Flexural Strength | A | Kg/Mm2 | 40-50 | |
| Impact Strength// | A | KJ/M2 | 33 | ||
| Rockwell Hardness | A | M | 110 | ||
| Bond Strength// | A | N | 8000 | ||
| Compressive Strength | ⊥ | A | Kg/Mm2 | 29-34 | |
| // | 19-24 | ||||
| Flame Resistance Properties | Ul94 Subjects | A | --- | VO | |
| Heat Resistance (120min) | A | oC | 220(OK) | ||
| Temperature Index | --- | 160 | |||
| Smoke Density90" | ASTM-E662 | - | 1 | ||
| Smoke Density4' | 3 | ||||
| Toxicant Content | - | Low | |||
| Others | Acetone Resistance | Boiled | Min | 30(OK) | |
| Punch Ability(≤3mm) | A | oC | Good | ||
| Nominal | Nominal | Nominal | |||
| thickness(mm) | Tolerance | thickness(mm) | Tolerance | thickness(mm) | Tolerance |
| 0.1 | ±0.018 | 1.2 | ±0.13 | 10 | ±0.72 |
| 0.15 | ±0.025 | 1.5 | ±0.13 | 12 | ±0.82 |
| 0.2 | ±0.038 | 1.6 | ±0.15 | 14 | ±0.94 |
| 0.25 | ±0.038 | 2 | ±0.18 | 16 | ±1.02 |
| 0.3 | ±0.050 | 2.5 | ±0.20 | 20 | ±1.12 |
| 0.4 | ±0.050 | 3 | ±0.28 | 25 | ±1.30 |
| 0.5 | ±0.064 | 4 | ±0.33 | 30 | ±1.50 |
| 0.6 | ±0.064 | 5 | ±0.37 | 35 | ±1.70 |
| 0.8 | ±0.100 | 6 | ±0.45 | 40 | ±1.95 |
| 1 | ±0.100 | 8 | ±0.52 | 45 | ±2.20 |
| Remarks | 1: Nominal thickness not listed in the table, the tolerance should be as same as the next greater thickness. | ||||
| 2: More than 90% area of the thickness of tolerance must be within the thickness tolerance. | |||||
