| Clasificación NEMA (NEMA Grade) | Unidad (Unit) | X | XX | XXX | XP | XPC | XXXP | FR-1 |
| Gravedad específica (Specific Gravity) | | 1.35-1.45 | 1.30-1.35 | 1.35-1.45 | 1.32-1.38 | 1.30-1.40 | 1.35-1.45 | 1.30-1.35 |
| Dureza Rockwell M (M-Scale Rockwell Hardness) | | 105 + 10 | 120 + 10 | 100 + 10 | 100 + 10 | 90 + 10 | 115 + 10 | 85 + 10 |
| Moisture absorption (Moisture Absorption) | % | 2.3 | 2 | 1.3 | 2.2 | 5.5 | 1 | 2.2 |
| Resistencia a flexión Longitudinal (Longwise Flexural Strength) | psi | 29000 | 34000 | 20000 | 29000 | 26000 | 16000 | 16000 |
| Resistencia a flexión Transversal (Crosswise Flexural Strength) | psi | 25000 | 28000 | 15000 | 22000 | 24000 | 13200 | 13000 |
| Módulo de Elasticidad Longitudinal en Flexión (Longwise Modulus of Elasticity in Flexure) | ksi | 1900 | - | 1300 | 1200 | 1200 | 1100 | 1000 |
| Módulo de Elasticidad Transversal en Flexión (Crosswise Modulus of Elasticity in Flexure) | ksi | 1400 | - | 1050 | 900 | 1000 | 900 | 900 |
| Resistencia a tracción longitudinal ( Longwise Tensile Strength) | psi | 20000 | 25500 | 14000 | 18000 | 22500 | 15000 | 12000 |
| Resistencia a tracción transversal ( Crosswise Tensile Strength) | psi | 16000 | 19000 | 12000 | 13500 | 12500 | 12000 | 9000 |
| Resistencia a compresión (Compressive Strength) | psi | 35000 | 40000 | 30000 | 45000 | 30000 | 32000 | 25000 |
| Resistencia al pegue (Bond strength) | lb | 1000 | 1500 | 1000 | 1100 | 1100 | 1100 | 1200 |
| Resistencia al rasgado (Shear Strength) | psi | 15000 | - | 12800 | 12200 | 11000 | 11500 | 12000 |
| Temperatura máxima de operación (Maximum Operating Temperature) | o C | 130 | 140 | 130 | 130 | 130 | 125 | 105 |
| Famabilidad (Flammability) | | HB | HB | HB | HB | HB | HB | FR-1 |
| Rigidez dieléctrica-Perpendicular- Cond.A (Electric Strength -Perpendicular- Cond.A) | Volt/mil | 600 | 530 | 700 | 600 | 500 | 750 | 500 |
| Resistencia al arco (Arc resistance) | seg | 90 | 65 | 110 | 75 | 110 | 124 | 100 |
