≥1 piece |
1. Dirt content: 0.03% max
2. Volatile matter: 0.80% max
3. Ash content: 0.50% max
4. nitrogen content: 0.60% max
5. Initial plasticity (PO). Min: 35
6. Plasticity retention index (PRI). Min: 60
7. COlor index. Max: 6
8. Mooney viscosity ML (1' + 4') 100C