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| Minimum Bitumen Mixture Specification Requirement | ||
| Items | Specification | Methods |
| Density @20℃ Kg/m3 Min. | 880 | SH/T 0604 |
| Viscosity @100 ℃ mm2/s Min. | 5 | GB/T 11137 |
| Asphaltene wt% Min. | 6 | |
| Sulfur wt% Max. | 3 | |
| Thermo Gravimetric Analysis | ||
| -Zero G period (<300 ℃) | Clear and fully weight loss period and curve peak value | |
| -Zero G period (400-550 ℃) | Clear and fully weight loss period and curve peak value | |
| -The number of peaks of the weight loss rate curve(<600℃)Min. | 2 | |
| Distillation Residue @360℃ %wt Min. | 60 | JY/T 014 |
| Distillation Residue @360℃ testing | - | ASTM DD402 |
| Distillation Recovered @360℃ %v/v Max. | 30 | |
| Penetration (25℃ 100g, 5s) 1/10mm Max. | 400 | GB/T 4509 |