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Barium Carbonate Powder for Porcelain Glaze, CAS 513-77-9 99.2% Barium Carbonate for Metal Glaze
1. Product Introduction
Barium carbonate, chemical formula BaCO3, molecular weight 197.35. Hexagonal fine crystals or white powder. It is hardly soluble in water, with a density of 4.43 g/cm2 and a melting point of 1740°C (8820 kPa-90 atmospheres). Decomposes at 1450°C and emits carbon dioxide. Slightly soluble in water containing carbon dioxide, but also soluble in ammonium chloride or ammonium nitrate solution to form a complex, dissolved in hydrochloric acid and nitric acid to release carbon dioxide. poisonous. Used in electronics, instrumentation, and metallurgical industries. Preparation of fireworks, signal bombs, ceramic coatings, and auxiliary materials for optical glass. Barium carbonate is also widely used in porcelain glaze and metal glaze, etc.
| Product Name | 99.2% Barium Carbonate for Metal Glaze |
| MF | BaCO3 |
| CAS No | 513-77-9 |
| HS Code | 283660 |
| EINECS | 208-167-3 |
| MW | 197.34 |
| Appearance | White powder or granule |
| Packing: | 25KG/50KG/1000KG |
2. Barium Carbonate Powder Specifications
| Item | Fine Grade | First Grade | Regular Grade |
| Purity (BaCO3) | ≥99.2% | ≥99% | ≥98.5 |
| Moisture | ≤0.25% | ≤0.35% | ≤0.45% |
| SO42- | ≤0.15% | ≤0.25% | ≤0.50% |
| Iron (Fe) | ≤0.001% | ≤0.004% | ≤0.008% |
| Cl- | ≤0.01% | - | - |
| HCL insoluble Matter | ≤0.10% | ≤0.30% | ≤0.50% |
| SBulk Density (powder) | Light Powder 0.40g/cm3 Dense Powder 1-1.2g/cm3 | ||
| Particle Size | 80 mircon≤1% 150micron ≥75% | ||
3. Product Application
The main uses of barium carbonate include the following aspects:
Electronics industry: Barium carbonate is used to manufacture various electronic components such as electronic ceramics, PTC thermistors, capacitors, etc.
Optics and Ceramic Industry: It is used in the manufacturing of optical glass, cathode ray tube glass, barium magnetic materials, etc., and is also used as an auxiliary material for ceramic coatings and optical glass.
Metallurgical industry: Barium carbonate is used for steel carburizing and metal surface treatment.
Other applications: It is also used to manufacture other barium salts, pigments, coatings, rubber, welding rods, etc., and can also be used as a water purifier and rodenticide.
4. Barium Carbonate Powder Used in Porcelain Glaze
1.Improving Whiteness and Glossiness: The high refractive index of barium carbonate enables the addition of barium carbonate to porcelain raw materials, effectively enhancing the whiteness and glossiness of ceramic products, resulting in a whiter and brighter appearance, fully satisfying people's pursuit of aesthetics.
2.Improving physical properties: The addition of barium carbonate can significantly improve the physical properties of porcelain, enhancing their hardness, wear resistance, and impact resistance, making ceramic products more durable and able to maintain excellent performance in complex and changing environments.
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