Basic information of Calcium Fluoride
- Product Name: Calcium Fluoride
- CAS No. of Calcium Fluoride: 7789-75-5
- Molecular Formula of Calcium Fluoride: CaF₂
- Molecular Weight of Calcium Fluoride: 78.07 g/mol
- EINECS of Calcium Fluoride: 232-188-7
- Appearance of Calcium Fluoride: Colorless cubic crystals or white powder
- Density of Calcium Fluoride: 3.18 g/cm³
- Melting Point of Calcium Fluoride: 1423℃
- Boiling Point of Calcium Fluoride: 2500℃
- Applications of Calcium Fluoride: Widely used in optics, metallurgy, and chemical industries; commonly used in the manufacture of optical lenses and as a fluorine source.
Types of Highassay's Calcium Fluoride
- Optical grade Calcium Fluoride: ≥99.99% (4N)
- High-purity reagent grade Calcium Fluoride: ≥99%-99.9%
- Metallurgical grade Calcium Fluoride: 80%-95%
- Custom grade Calcium Fluoride: Processed according to requirements and drawings
What is Calcium Fluoride?
- Calcium Fluoride is an inorganic fluoride with unique physicochemical properties (corrosion resistance, poor solubility, high temperature resistance, rapid thermal conductivity, etc.).
- Calcium Fluoride raw materials are available in various grades, with optical grade calcium fluoride being our star product.
- Calcium Fluoride (chemical formula CaF₂) is a major component of the natural mineral fluorite (fluorite), and is also a high-purity synthetic optical material and chemical raw material.
Packaging of Calcium Fluoride
- If you require small packages of Calcium Fluoride, we can provide aluminum foil bags in 500g, 1kg, or 2kg sizes.
- For small-batch production-grade Calcium Fluoride, we can provide woven bags or cardboard drums (lined with PE bags) in 10kg and 25kg sizes.
- For large-batch production-grade Calcium Fluoride, we can provide ton bags in 500kg and 1000kg sizes.
Of course, we can also provide customized solutions, so please let us know your needs and we will do our best to meet them.
Applications of Calcium Fluoride
Highassay offers various grades of Calcium Fluoride raw materials, allowing different applications to choose the appropriate grade.
- Calcium Fluoride lowers the melting point of substances, making it irreplaceable in the metallurgical industry.
- In the smelting of iron and steel or non-ferrous metals, Calcium Fluoride lowers the melting point of ores, promotes slag flow, and facilitates the separation of metals and impurities.
- Calcium Fluoride also assists in desulfurization and dephosphorization during the smelting process, thereby improving metal quality.
- Calcium Fluoride is the basic raw material for the vast majority of fluorides.
- Calcium Fluoride can react with sulfuric acid to produce hydrofluoric acid, an intermediate in the production of refrigerants, fluoroplastics, fluorinated pharmaceuticals, pesticides, and other products.
- Calcium Fluoride can be used as a flux to accelerate the melting of glass raw materials; it can also be used as an opaque agent in the production of opaque glass.
- Calcium Fluoride is a flux and colorant in the production of porcelain enamel, contributing to the brightness and vibrancy of the enamel surface.
- Calcium Fluoride is used as a mineralizer in cement production, which helps to lower the sintering temperature and save energy.
Calcium Fluoride raw materials can be used to grow Calcium Fluoride crystals through specific processes.which are suitable for high-quality microscopes and astronomical telescopes.
Technical parameters of optical grade Calcium Fluoride
- Technical parameters of optical grade Calcium Fluoride
| Parameter | Typical Value | Test Method |
| Purity | ≥99.99% (4N) | ICP-MS |
| Crystal Structure | Cubic, single crystal | X-ray Diffraction (XRD) |
| Transmission Range | 180nm – 8μm | UV-VIS-IR Spectrometer |
| Transmittance | >90% @ 0.3-6μm | Spectrophotometer |
| Refractive Index | 1.43384 @ 589nm | Abbe Refractometer |
| Abbe Number | 95.23 | Calculated Value |
| Thermal Conductivity | 9.71 W/(m·K) | Laser Flash Method |
| Thermal Expansion Coefficient | 18.85 × 10⁻⁶ /K | Thermomechanical Analysis |
| Stress Birefringence | <20 nm/cm | Polarized Light Stress Meter |
| Laser Damage Threshold | >10 J/cm² @ 1064nm | Laser Damage Test |
| Surface Roughness | 20-10 S/D (可) | Profilometer |
| Surface Flatness | λ/10 @ 632.8nm | Zygo Interferometer |
| Parallelism | <3 arc second | Autocollimator |
| Available Size | Diameter ≤200mm, Thickness ≤30mm | – |
Natural Calcium Fluoride minerals (main source): Derived from the natural mineral fluorite (also known as fluorspar). Its impurity content, consistency, and stability cannot be guaranteed.
Synthetic Calcium Fluoride: Produced by reacting calcium salts with hydrofluoric acid or soluble fluorides. It has the advantage of high purity and is widely used in high-end optical materials.
Optical-grade Calcium Fluoride is mainly used in the manufacture of fluoride glass (fluoride optical fiber), fluorophosphate glass, fluoride single crystals, fluoride targets, hot-pressed magnesium fluoride hood materials, luminescent material additives, analytical reagents, high-purity reagents, thorium-based molten salt reactor fluoride coolants, lithium battery materials, ceramic additive materials, welding aids, etc.
Calcium Fluoride can be used as an active ingredient in toothpaste, which is beneficial to our teeth, such as preventing tooth decay. However, Calcium Fluoride cannot be added directly to drinking water because it is poorly soluble in water. Fluorides in drinking water usually exist in the form of sodium fluoride or fluorosilicic acid.
Why You Trust Highassay’s Calcium Fluoride?
Highassay provides low to medium purity Calcium Fluoride powder to manufacturing companies in the basic chemical and metallurgical industries.
- We offer competitive pricing due to our large volume demand, giving us a price advantage.
- We provide a stable, long-term supply of Calcium Fluoride raw materials to ensure continuous production for your company.
- We offer specialized large packaging (e.g., ton bags, 25 kg/bag) for convenient material feeding during production.
Highassay provides high-purity Calcium Fluoride raw materials to fluorochemical deep processing enterprises.
- If you are a hydrofluoric acid producer, refrigerant manufacturer, or producer of fluorinated fine chemicals, you can choose us.
- Our Calcium Fluoride products are of relatively high quality, meeting specific particle size distribution and chemical composition standards, such as requirements for impurities, ensuring the conversion efficiency of downstream high-value fluorides and protecting equipment.
- Our Calcium Fluoride products comply with environmental regulations and come with a detailed Certificate of Account (COA).
Highassay offers optical-grade Calcium Fluoride crystals, targeting high-value users seeking ultimate performance.
- For example: optical component manufacturers, semiconductor equipment suppliers, aerospace and defense companies, etc.
- Our Calcium Fluoride raw materials have the highest requirements for purity and physical properties (e.g., precise crystal form, high transmittance in specific wavelengths).
- We also have relatively high requirements for the packaging of Calcium Fluoride raw materials. Although the purchase volume is relatively small, the value is relatively high, and we provide complete data.
Highassay offers research-grade Calcium Fluoride raw materials, targeting research institutions and explorers of new applications.
- For example: university laboratories, corporate R&D centers, environmental technology companies, etc.
- This grade of Calcium Fluoride has specific purity requirements, and we can even provide customized services.
- We can provide purchase quantities down to the milligram/gram level, meeting your needs at all stages from exploration to experimentation.
