| Parameters | Unit | Technical Requirement |
|---|---|---|
| Tensile Strength | MPa | ≥ 2000 |
| Elastic Modulus | GPa | ≥ 80 |
| Elongation at Break | % | ≥ 2.1 |
| Heat Resistance, Retention of Tensile Strength | % | ≥ 85 |
| Oil Absorption Rate | % | ≥ 50 |
| Moisture Content | % | ≤ 0.2 |
| Combustibility | - | Non-combustible |
| (Fe,0,+Fe0) Content | % | ≥ 8.0 |
| Acidity Coefficient | - | ≥ 4.5 |