| Appearance | | Transparent , no extraneous matter. | | | | | | | Visual Inspection |
| Density, g/cm3 | | 1.06~ 1.10 | 1.09~ 1.15 | 1.12~ 1.18 | 1.14~ 1.20 | 1.17~ 1.23 | 1.18~ 1.25 | 1.19~ 1.26 | ASTM D792 |
| Curing | Hardness, Shore A | 30±2 | 40±2 | 50±2 | 60±2 | 70±2 | 80±2 | 86±2 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 8.0 | 8.5 | | | | 8.0 | 6.0 | ASTM D412 |
| Elongation at Break, % ≥ | 600 | 500 | 400 | | 300 | 200 | 120 | |
| Tension Set, % ≤ | 8 | | | | | | 6 | |
| Tear Strength , Die C kN/m ≥ | 15 | 20 | 25 | | | 20 | 10 | ASTM D624 |
| Post- curing | Hardness, Shore A | 32±2 | 44±2 | 55±2 | 66±2 | 74±2 | 84±2 | / | ASTM D2240 |
| Tensile Strength, MPa ≥ | 6.5 | 7.0 | 8.0 | | | 7.0 | / | ASTM D412 |
| Elongation at Break, % ≥ | 500 | 400 | 300 | | 200 | 150 | / | |
| Tear Strength, Die C kN/m ≥ | 10 | 16 | 18 | | | 16 | / | ASTM D624 |
| Compression Set, 180℃*22h ≤ | | 58 | 50 | | 48 | | 45 | 35 | ASTM D395 |
| Rebound Resilience,% ≥ | | 50 | | | | 45 | 40 | 35 | / |
| Volume Resistivity, Ω ▪cm ≥ | | 1×10 15 | | | | | | | IEC 60093 |
| Dielectric Strength, kV/mm ≥ | | 20 | | | | | | | IEC 60243 |