Purity | 58% | 60% | 62% |
Appearance | Powder or granular, not moldy, caking or worm-eaten. | ||
Smell | Special odor and no odor of spoilage. | ||
Color | Light yellow or dark brown with pure color. | ||
Impurity % | No sand or gravel impurities, does not contain substance of non-protein nitrogen. | ||
Moisture content % | â¤10 | â¤9 | â¤5 |
Protein % | â¥58 | â¥60 | â¥62 |
Ash content % | â¤4 | â¤3 | â¤1 |