Xinhai coconut activated charcoal is made of imported high quality coconut shell. Xinhai adopts a special activation process by blowing and winnowing. Xinhai coconut activated charcoal has the advantages of uniform particle size, high strength, well-developed porous structure, strong adsorption of precious metal, easy to electrolytic analysis and repeated regeneration. This kind of activated charcoal is widely used in Xinhai CIL process.

| Items | A Grade | B Grade | |
| Particle size 6-12 mesh | % | ≥98 | ≥95 |
| Abrasive resistance | % | ≥98 | ≥96 |
| Iodine sorption value | mg/g | ≥1000 | ≥900 |
| Loss on drying | % | ≥96 | ≥96 |
| Apparent density | g/ml | 0.45-0.55 | 0.5-0.55 |
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