5N Alumina Skull & Crackle for Sapphire Crystal
| Price: |
US $ 1-80016 |
| Min Order: |
1016 |
| Pay Type: |
L/C,T/T |
The company adopts the cold crucible method to preparate alumina polycrystalline.The product has a purity of not less than 99.999%, and the advantages of high density etc.Application:
1.Sapphire Crystal
2.LED Substrate Wafer
3.Smart Phone Cover
4.Optical Glass CoatingTechnical Indicators:| Item | unit | Product Type |
| Al2O3(Al2O3 Content) | % | ≥99.999% |
| Phase state | α | α-Al2O3 |
| Appearance | -- | Skull&crackle |
| Na | ppm | ≤2 |
| Fe | ppm | ≤2 |
| Ca | ppm | ≤1 |
| Si | ppm | ≤2 |
| Cu | ppm | ≤1 |
| Mg | ppm | ≤1 |
| Size | mm | 1-3mm\3-10mm\10-30mm\3-30mm\50-100mm\100-200mm |
| Apparent Density | g/cm3 | / |
| Specific Surface Area | m2/g | / |
| Sintered Density | g/cm3 | ≥3.5g/cm3 |
| Melting Point: |
2054ºC |
| Boiling Point: |
2980ºC |
| Function: |
Heat Resistance |
| Color: |
White |
| Appearance: |
block |
Wujiang WEISHIDA Copper technology Co., Ltd is a professional manufacturer of copper salts. With 12, 000 square meters of production base, WEISHIDA provide high-quality Copper metal products, such as copper hydroxide, copper sulfate, cupric acetate and so on. Our company has established a perfect quality assurance system, quality inspection and testing equipment, to ensure the stability of product quality, fully meet the users need. To provide users with quality products and services is the consistent aim of our company. I sincerely look forward to plant the development and promotion of new and old customers and friendly exchanges.
We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.
