| Clasificación NEMA (NEMA Grade) | Unidad (Unit) | G-3 | G-5/G-9 | G-7 | G-10 | G-11 | FR-4 |
| Gravedad específica (Specific Gravity) | | 1.75-1.85 | 1.80-1.90 | 1.85 | 1.75-1.85 | 1.75-1.85 | 1.90-2.00 |
| Dureza Rockwell M (M-Scale Rockwell Hardness) | | 110 + 10 | 115 + 10 | 100 + 10 | 110 + 10 | 110 + 10 | 100 + 10 |
| Moisture absorption (Moisture Absorption) | % | 2 | 0.6 | 0.10 | 0.11 | 0.12 | 0.13 |
| Resistencia a flexión Longitudinal (Longwise Flexural Strength) | psi | 40500 | 61600 | 25000 | 75000 | 80000 | 85000 |
| Resistencia a flexión Transversal (Crosswise Flexural Strength) | psi | 40500 | 51100 | 22000 | 65000 | 65000 | 70000 |
| Módulo de Elasticidad Longitudinal en Flexión (Longwise Modulus of Elasticity in Flexure) | ksi | 1800 | 2000 | 1600 | 2700 | 4200 | 3700 |
| Módulo de Elasticidad Transversal en Flexión (Crosswise Modulus of Elasticity in Flexure) | ksi | 1400 | 1700 | 1600 | 2400 | 4000 | 3000 |
| Resistencia a tracción longitudinal ( Longwise Tensile Strength) | psi | 42000 | 61600 | 23000 | 45000 | 61000 | 65000 |
| Resistencia a tracción transversal ( Crosswise Tensile Strength) | psi | 34000 | 51100 | 19000 | 38000 | 53000 | 53000 |
| Resistencia a compresión (Compressive Strength) | psi | 76000 | 70000 | 43000 | 65000 | 91000 | 72000 |
| Resistencia al pegue (Bond strength) | lb | 1600 | 1900 | 800 | 2200 | 2200 | 2500 |
| Resistencia al rasgado (Shear Strength) | psi | 18000 | 18000 | - | 22000 | 26000 | 2500 |
| Temperatura máxima de operación (Maximum Operating Temperature) | o C | 175 | 140 | 200 | 140 | 165 | 130 |
| Famabilidad (Flammability) | | HB | V-O | - | HB | HB | V-O |
| Rigidez dieléctrica- Perpendicular- Cond.A (Electric Strength-Perpendicular- Cond.A) | Volt/mil | 375 | 450 | 300 | 800 | 860 | 900 |
| Resistencia al arco (Arc resistance) | seg | 100 | 185 | 220 | 100 | 148 | 75 |
