Table 3. Cure Behavior of Matrix Containing ENR 30 wt% with the Addition of Tungsten Powder
| Amounts of tungsten Powder (vol.%) | MH(lb-in) | ML(lb-in) | ΔM(MH-ML) | ts2(min) | t90(min) | CRI(min−1) |
| 0 | 13.72 | 4.40 | 9.32 | 2.00 | 14.40 | 8.06 |
| 10 | 25.63 | 7.95 | 17.68 | 2.65 | 51.23 | 2.06 |
| 30 | 35.19 | 11.54 | 23.64 | 1.88 | 40.18 | 2.61 |
| 50 | 44.55 | 18.96 | 25.59 | 2.17 | 22.72 | 4.87 |
| 60 | 49.62 | 22.86 | 26.76 | 2.08 | 19.68 | 5.68 |
(note) MH; maximum torque, ML; minimum torque, ts2; scorch time, t90; 90% cure time, CRI (Cure Rate Index); 100/t90-ts2, curing temperature; 180°C