High Mechanical Strength High Purity Alumina Oxide Fluorescent Glow Powder Hpa High Purity Alumina
4N HPA (High purity alumina), purity>99.99%, is White powder, uniform particle size, easy to disperse, stable chemical properties. Especially suitable for shaped products, plastic, repair material, spray material, daub material and other amorphous refractory.
Product Introduction
As a way to provide you advantage and enlarge our organization, we even have inspectors in QC Crew and guarantee you our greatest assistance and product or service for Low Viscosity ATH, Activated Alumina Noble Metal Catalyst Carrier, HPA For Phosphor Coating. Customers can also customize all kinds of non-standard products with drawings and samples. Our enterprise always follows the business philosophy of 'taking the user as the center, regarding the quality as the life', guarantees the excellent quality of the products with the advanced technological conditions, excellent processing equipment, perfect testing facilities and strict quality assurance system. We follow the principle of honesty and reliability, and dedicate high quality products to our customers, hoping to become your sincere friend and ideal partner.
Product Introduction:
4N HPA (High Purity Alumina) is a white powder with uniform particle size, easy dispersion, stable chemical properties, moderate high temperature shrinkage, good sintering performance, high conversion rate and low sodium content. High purity alumina is the basic raw material for various high-end products, such as sapphire crystal, advanced ceramics, polishing slurry, lithium battery separator and other products.
The products are of reliable quality, with high melting point, good thermal stability, high hardness, good wear resistance, high mechanical strength, good electrical insulation, corrosion resistance, etc. We can provide 4N HPA with different particle size and crystalline structure by controlling the production process according to different applications and requirements.
Product Specification:
Specification | AL2O3 | Surface Area | D50 | Impurity content（PPM）≤ | |||||||||||
≥% | (m2/g) | d50（μm） | |||||||||||||
Na | Fe | Si | Cu | Mg | Ti | Cr | Mn | Zn | Pb | Ni | Ca | ||||
AM-FP-001 | ≥99.99 | 4～10 | 1-4 | ≤10 | ≤10 | ≤10 | ≤3 | ≤5 | ≤3 | ≤3 | ≤3 | ≤3 | ≤1 | ≤4 | ≤5 |
AM-FP-002 | ≥99.99 | 4～10 | 5-8 | ≤10 | ≤10 | ≤10 | ≤2 | ≤5 | ≤3 | ≤3 | ≤3 | ≤3 | － | ≤4 | ≤5 |
AM-FP-003 | ≥99.99 | 4～10 | 30±2 | ≤10 | ≤10 | ≤10 | － | ≤5 | ≤3 | ≤3 | ≤3 | － | － | － | ≤5 |
AM-FP-004 | ≥99.99 | 4～10 | 35±2 | ≤10 | ≤10 | ≤10 | － | ≤5 | ≤3 | ≤3 | ≤3 | － | － | － | ≤5 |
Characteristic of 4N HPA:
1) High purity and low chemical composition.
2) High dispersion.
3) Controllable particle size and crystal form.
4) Chemical Resistance.
Application:
High purity alumina has a melting point of 2050℃ and is mainly used for LED artificial sapphire crystals, advanced ceramics, phosphors, polishing slurry and some high performance materials. As raw materials for sapphire crystals, we can provide powder, granule, block or column according to different requirements.
Production Process:
4N HPA is produced by the Bayer process. The Bayer process is mainly divided into three stages: dissolution, decomposition and calcination. It is mainly composed of crushing and wet grinding, bauxite dissolution, red mud separation and washing, sodium aluminate solution plus seed decomposition, and aluminum decomposition mother liquor. Evaporation, sodium carbonate caustic recovery in alumina production, aluminum hydroxide calcination and other processes.
Packing&Storage:
We usually use 25kg kraft bags packed and 40 bags packed on a 1.1m*1.1m pallets and with wrapping film. We also can pack the goods according to customers requirements, including the materials and size of bags and pallets.
After years of development, we have accumulated rich experience and solid foundation in product application and production technology, making us a diversified professional enterprise for High Mechanical Strength High Purity Alumina Oxide Fluorescent Glow Powder Hpa High Purity Alumina. We insist on building a brand with integrity, expanding the market with service, and promoting development with innovation. Under the market economic system, enterprises are microeconomic entities that operate independently and are responsible for our own profits and losses.
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