Product
| Standard | GB/T 3782-93 |
| Appearance | Black powder |
| Loss on heating max.% | 0.4 |
| Ash content max.% | 0.3 |
| Grit content max.% | 0.04 |
| Apparent specific volum | 12-16 |
| Loding absorption number | 80-100 |
| Absorptivity of hydrochloric acid | 3.5-4.4 |
| Specific resistance | 0.4 |
| Using | It is a filler of battery |
| Packing | Net 10kg plastic woven bags with inside paper bags |
