Suppliers with verified business licenses
Audited Supplier | Item | Standard | Typical test result |
| Color | White | White |
| Appearance | Powder | Powder |
| Calcium hydroxide(Ca(OH)2) % | 95-100.5 | 99.9 |
| Carbonate | Pass the test | Pass the test |
| Akali metal & Magnesium W % | 2.0 max. | 0.57 |
| Acid insoluble substances W/% | 0.1 max. | Less than 0.01 |
| Arsenic(As) mg/kg | 2.0 max. | Less than 2.0 |
| Fluorine(F) mg/kg | 50 max. | 29.5 |
| Lead(Pb) mg/kg | 2.0 max. | 0.38 |
| Heavy metals (Pb) mg/kg | 10 max. | Less than 10 |
| Loss on drying W% | 1 max. | Less than 0.01 |
| Residue(0.045mm) W/kg % | 0.4 max. | Less than 0.01 |
| Identification of hydroxyl ion | Pass the test | Pass the test |
| Identification of calcium ion | Pass the test | Pass the test |
Suppliers with verified business licenses
Audited Supplier 
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