Rare earth polishing powder refers to a mixed light rare earth oxide powder with cerium oxide as the main component used to improve the surface finish of products or parts. It is widely used in industrial product polishing because of its excellent chemical and physical properties.Rare earth polishing powder can be made from bastnaesite concentrate (containing RE2O3≥70%) or soluble rare earth salts (containing CeO2/RE2O3=45%~50% rare earth chloride or cerium-rich rare earth compound containing more than 80% CeO2) as raw materials through chemical treatment, burning, crushing, screening and other processes. CeO2 polishing powder is widely used in the polishing of cameras, camera lenses, TV picture tubes, spectacle lenses, etc.
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It has quality management system certification, environmental management system certification, occupational health and safety management system certification, innovation and entrepreneurship competition awards, quality and trustworthiness certificate, service and trustworthiness certificate, quality service integrity unit certificate.
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The company has a professional team, which is one of the company's most valuable assets. Team members all have deep chemical engineering expertise and rich industry experience, and can provide customers with high-quality products and professional technical support.
Trade cooperation
At the same time, the company conducts trade cooperation with Europe, the United States, Japan, South Korea, the Middle East and other regions to increase sales performance, enhance brand influence, and strive to become a well-known enterprise of new rare earth materials in China.
Company strength
China's proven industrial reserves of rare earths are 52 million tons, accounting for about 50% of the world's total. China is the country with the richest rare earth resources and a complete range of mineral types.
Benefits of Rare Earth Polishing Powder
It exhibits excellent performance during the polishing process
This polishing powder has an efficient polishing rate and can quickly remove tiny bumps and scratches on the surface of the material, making the surface highly smooth. At the same time, the polishing quality is also very good, which can maintain the uniformity and consistency of the material surface and avoid local over-polishing or under-polishing.
It also has good environmental protection
Compared with traditional fluorine-doped polishing powder, the iron-containing lanthanum cerium-based rare earth polishing powder prepared by doping iron elements achieves an environmentally friendly process. This kind of polishing powder not only causes less pollution to the environment during use, but its production process has also been optimized to achieve simple dry grinding, which greatly saves production costs.
It also has good spherical morphology and crystal form, good dispersion, and uniform particle size
These characteristics allow the polishing powder to be more evenly distributed on the material surface during the polishing process, thereby improving polishing efficiency and effect.
Types of Rare Earth Polishing Powder
Particle size
Determines the polishing accuracy and speed. Generally, the mesh number and average particle size are used to represent the mesh number, which reflects the maximum particle size. Average particle size determines the overall level of polishing powder particle size
Hardness
Particles with large hardness have a faster cutting rate, and the addition of grinding AIDS can also improve the cutting rate
Suspension
High speed polishing requires good suspension of polishing powder. Particle shape and size have a great impact on the suspension. The improvement of suspension of flake polishing powder and small-particle polishing powder can also be achieved by adding suspension agent (qm-169 rare earth polishing powder)
Particle structure
Whether the particle structure is aggregate particles or single crystal particles determines the abrasion resistance and fluidity of the polishing powder. Aggregate particles will break during the polishing process, resulting in a decrease in wear resistance. Single crystal particles have good wear resistance and fluidity
Color
With the raw material praseodymium content and temperature, praseodymium content is higher, polishing powder is more brownish red low cerium polishing powder contains a large number of praseodymium, so it is brownish red to pure cerium oxide polishing powder, roasting temperature is high, polishing powder color is white red, temperature is low, color is light yellow
Of rare earth polishing powder USES
Used for polishing process of work piece, usually by cerium oxide polishing powder, alumina, silicon oxide, ferric oxide, zirconium oxide, chromium oxide components, in all kinds of optical glass device, TV picture tube, optical lens, oscilloscope tube, flat glass and metal, semiconductor chip precision products such as polishing
Characteristics of rare earth polishing powder
Efficient polishing
It has excellent polishing performance and can quickly remove tiny bumps and scratches on the surface of the material, making the surface highly smooth.
Good uniformity
The polishing powder particles are evenly distributed, which can ensure the uniformity and consistency of the polishing surface and avoid local over-polishing or under-polishing.
Low damage
Due to the special properties of rare earth elements, this polishing powder causes less damage to the material surface during the polishing process and can retain the original properties of the material.
Environmental protection
Compared with traditional polishing materials, it is more environmentally friendly, and the dust and waste liquid generated during use cause less environmental pollution.
Application of Rare Earth Polishing Powder
Optical glass
Used to polish lenses, prisms and other optical components to improve optical performance.
Crystal material
Used for polishing semiconductor crystals, laser crystals and other materials to improve crystal quality and performance.
Ceramic materials
Used for polishing ceramic blades, ceramic bearings and other products to improve surface finish and wear resistance.
Metal materials
Used for polishing stainless steel, carbide and other metal materials to improve surface quality and gloss.
Market Trends in the Rare Earth Based Polishing Powder Market
Increased demand for eco-friendly and sustainable polishing powders
Consumers are becoming more environmentally conscious, leading to a rise in demand for rare earth based polishing powders that are less harmful to the environment.
Automation and innovation in manufacturing processes
Emerging technologies such as automation and advanced manufacturing techniques are transforming the production of rare earth based polishing powders, leading to higher quality products and increased efficiency.
Growing popularity of cerium oxide based polishing powders
Cerium oxide is a commonly used rare earth element in polishing powders due to its superior polishing capabilities, leading to a growing trend of using cerium oxide based powders in various industries.
Rising demand in the electronics and semiconductor industry
With the increasing use of electronic devices, there is a growing demand for high-quality polishing powders in the electronics and semiconductor industry, driving the growth of the rare earth based polishing powder market.
How to Choose Rare Earth Polishing Powder
Material Compatibility
Understanding Material Properties: Different materials require different abrasives for effective polishing. Hard materials like metals and ceramics demand abrasives with high hardness, such as diamond powder or silicon carbide. Conversely, softer materials like marble, glass, and certain plastics benefit from gentler abrasives like cerium oxide or calcium carbonate. Choosing the wrong abrasive can damage the material or result in inefficient polishing.
Desired Finish
Surface Quality: The finish required dictates the choice of polishing powder. For a mirror-like shine, finer abrasives are necessary. Coarse powders are used for initial polishing stages, while fine powders are used for final finishing.
Cost-Effectiveness
Balancing Cost and Performance: The choice of polishing powder should consider the balance between cost and performance. High-end abrasives like diamond powder offer excellent results but at a higher cost. For less demanding applications, more affordable alternatives like aluminum oxide or pumice powder can be sufficient.
Environmental and Health Considerations
Safety and Environmental Impact: Some polishing powders can pose health risks if inhaled or if they come into prolonged contact with the skin. Proper handling, including the use of protective equipment like masks and gloves, is essential. Less hazardous alternatives should be considered where possible to minimize health risks and environmental impact.
Process of Rare Earth Polishing Powder
Material preparation
The raw materials for the production of rare earth polishing powder mainly include oxides, fluorides and other additives. Among them, oxides include oxides of rare earth elements such as cerium, lanthanum, neodymium, europium, and samarium, and fluorides include cerium fluoride, neodymium fluoride, etc. During the production process, the purity and quality of raw materials need to be guaranteed. The material preparation process requires precise weighing to ensure the accuracy and stability of production.
Heat treatment
In the heat treatment process, the raw materials need to be calcined at high temperature, making them the basis for the rare earth gas phase oxidation behavior. At the same time, high-temperature calcination can also improve the crystallization state and grain size of rare earths, and improve their physical properties and chemical stability.
Smash
The material calcined at high temperature needs to be further crushed to make it into uniform and fine particles, which is more convenient for subsequent processing and mixing. During the crushing process, attention needs to be paid to controlling the speed of the crusher and the crushing time to ensure uniform and fine powder.
Mix
Mixing is a very important step in the production of rare earth polishing powder. It requires different rare earth oxides and other additives to be mixed and uniform. The mixing method can adopt various methods such as oxide mixing, oxide and fluoride mixing, oxide and additive mixing, etc. During the mixing process, workers need to pay attention to the uniformity and particle size distribution of the powder.
Suppress
The mixed rare earth polishing powder needs to be pressed into a product with a certain strength and shape. The pressing method usually uses presses, granulators and other equipment, and scientific and reasonable pressing parameter settings are required to ensure the stability and performance of the product.
Detailed Explanation of How To Use Rare Earth Polishing Powder
Selection of rare earth polishing powder
Rare earth polishing powder is a material used for metal surface polishing. It has the advantages of fast polishing speed, low cost, and environmental protection. When choosing rare earth polishing powder, you should choose the appropriate brand and model according to different metal materials and polishing requirements. Generally speaking, different rare earth polishing powders are suitable for different metal materials and different polishing processes. You need to read the instructions carefully to determine the correct choice.
Rare earth polishing powder ratio
Rare earth polishing powder needs to be used with water in a certain proportion. The specific ratio should be determined according to the model and instructions of the rare earth polishing powder. Under normal circumstances, the ratio of rare earth polishing powder: water = about 1:3. Too much water will affect the polishing effect, and too little water will affect the efficiency of the polishing powder.
Adding water and stirring rare earth polishing powder
After adding an appropriate amount of water to the rare earth polishing powder, stir thoroughly to make it evenly mixed. You can use an electric mixer or a manual stirring rod to stir. The stirring time is generally 5-10 minutes. When stirring, avoid creating too many bubbles, which will affect the polishing effect.
Polishing of rare earth polishing powder
After adding water and stirring, rare earth polishing powder can be used to polish metal surfaces. When polishing, the rare earth polishing powder should be evenly applied on the metal surface, and then a special polishing machine should be used for polishing. During the polishing process, different metal materials require different polishing sheet materials and polishing sheet thicknesses to obtain the ideal polishing effect.
Rare earth polishing powder should be placed in a dry, ventilated and cool place to avoid sunlight and high temperature.
After using rare earth polishing powder, the polishing machine, polishing disc and work surface should be cleaned in time to avoid impurities and affecting the next use.
When using rare earth polishing powder, you should wear masks, gloves and other protective equipment to avoid accidental inhalation or skin contact.
The usage amount of rare earth polishing powder should be controlled within an appropriate range. Excessive use will reduce the polishing effect and increase material costs.
Our Factory
Beijing FreeRun Technology Co.,Ltd. was established in 2020. It is located in Shandong Province, an important industrial province in China and one of China's rare earth mineral production areas. Its main products are polishing powder/liquid in semiconductors, optics and other fields, as well as nano rare earths and anhydrous rare earths. , the company integrates rare earth R&D, production and sales.The company's products include high-purity nano rare earth oxides, rare earth polishing powders, precision polishing fluids, rare earth compounds, anhydrous rare earth and other new rare earth materials. The company will provide high-quality products and services in the fields of semiconductor CMP, semiconductor ceramics, aerospace power systems, military guidance, electric vehicles, new energy, petroleum fission, grinding/precision polishing, pharmaceutical chemicals, electronic materials and other fields.
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FAQ
Q: How are rare earth elements processed?
Q: What is polishing powder used for?
Q: How long until we run out of rare earth elements?
Q: How do you refine rare earth elements?
Q: What are the 3 stages of polishing?
Q: Should polishing compound be dry?
Q: How to conserve rare earth metals?
Q: What is polishing powder used for?
Q: How long will rare earth elements last?
Q: What are the disadvantages of rare earth elements?
Q: What is cerium oxide powder used for?
Q: What is the most useful rare earth element?
In the light REEs category, neodymium has the highest number of uses. For one, you can use it on mobile phones, medical equipment, and electric cars. It's the best rare metal for making permanent magnets. Neodymium magnets are strong and highly useful when weight and space are limiting factors.
Q: Why are rare earth elements so expensive?
Q: How toxic is cerium oxide?
Q: What is a polishing powder?
Q: How long does polishing last?
Q: What dissolves cerium oxide?
Q: What are the most sought after rare earth elements?
Q: Can you polish with cerium oxide by hand?
Q: Will cerium oxide polish sapphire?
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