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Performance: white crystallization powder, soluble in diluted hydrochloric acid and nitric acid, slightly soluble in water, insoluble in ethanol, begin to lose water and become anhydrous calcium hydrogen phosphate at 65.Application: as friction agent to making high-grade toothpaste in daily-use chemicals.Package:internal-lined polythene plastic bag, external-covered composite nourishment woven bag, 50/bag or 25/bag, also can implement according to contracts.Storage & Transportation: be stored in dry, ventilated and clean warehouse, prevent from wetting & heating, be isolated from toxic articles.Quality Index: HB3257-2001
| Index Name | I Type | II Type |
| Calcium Oxide CaOContent,% | 31.4-32.9 | 31.4-32.9 |
| Whiteness≥ | 95 | 95 |
| Fineness (through 45um experiment) Content, % ≥ | 99 | 95 |
| Suction Content, mLH2O/20g | 5.0-6.5 | 5.0-6.5 |
| Arsenic (As) Content, % ≤ | 0.0003 | 0.0003 |
| Fluoride (by C1) Content, % ≤ | 0.03 | 0.03 |
| Burning Loss, % | 25.0-26.5 | 25.0-26.5 |
| Heavy Metal (by Pb ) Content,% ≤ | 0.003 | 0.003 |
| PH Value (20% suspension) | 6.8-8.1 | 6.8-8.1 |
| Stability, | through experiment | through experiment |
| Carbonate, | through experiment | through experiment |
| Content Insoluble in Hydrochloric Acid,% ≤ | 0.2 | 0.2 |
| Sulfate (by SO4-2) Content,% ≤ | 0.5 | 0.5 |
| Drying Loss, % ≤ | 0.6 | 0.6 |
| Apparent Density, g/ml | 0.80-1.00 | 0.80-1.00 |
| Fluorion Stability Experiment, | through experiment |
Calcium Hydrogen Phosphate (Dental Grade)