High Quality Ceramic Grining Balls - 99.7% Alumina Wafer Polish Plate – Chemshun
High Quality Ceramic Grining Balls - 99.7% Alumina Wafer Polish Plate – Chemshun Detail:
Application
As the Alumina ceramic wafer polishing and sapphire lapping disks used in the semi-conductive, diamond polishing etc.
Process: All types of Polishing and lapping process, such as CMP chemical mechanical polishing, Mechanical Polishing, Precision Polishing.
Feature
High purity and chemical durability
High Mechanical Strength and Hardness
High Corrosion Resistance
High Voltage Resistance
High Temperature Resistant Up to 1700ºC
Extremely Abrasion Resistance Performance
Excellent Insulation Performance
All type of Size 180,360, 450, 600mm etc
| Product name | 99.7 high purity Alumina ceramic Polishing Lapping Discs |
| Material | 99.7% alumina |
| Normal Size | D180, 360, 450, 600mm, customized size accepted. |
| Color | Ivory |
| Application | Wafer and Sapphire CMP process in semi-conductive industry |
| Min.Order | 1Pic |
Chemical / physical Information
| Unit | 99.7 Alumina Ceramics | ||
| General Properties | Al2O3 content | wt% | 99.7-99.9 |
| Density | gm/cc | 3.94-3.97 | |
| Color | - | Ivory | |
| Water absorption | % | 0 | |
| Mechanical Properties | Flexural Strength(MOR) 20 ºC | Mpa(psix10^3) | 440-550 |
| Elastic Modulus 20ºC | GPa (psix10^6) | 375 | |
| Vickers Hardness | Gpa(kg/mm2) R45N | >=17 | |
| Bending Strength | Gpa | 390 | |
| Tensile Strength 25ºC | MPa(psix10^3) | 248 | |
| Fracture Toughness (K I c) | Mpa* m^1/2 | 4-5 | |
| Thermal Properities | Thermal conductivity(20ºC) | W/mk | 30 |
| Coefficient of Thermal expansion(25-1000ºC) | 1x 10^-6/ºC | 7.6 | |
| Thermal Shock Resistance | ºC | 200 | |
| Maximum use temperature | ºC | 1700 | |
| Electrical Properities | Dielectric Strength (1MHz) | ac-kv/mm(ac v/mil) | 8.7 |
| Dielectric Constant(1 MHz) | 25ºC | 9.7 | |
| Volume Resistivity | ohm-cm (25ºC) | >10^14 | |
| ohm-cm (500ºC) | 2×10^12 | ||
| ohm-cm (1000ºC) | 2×10^7 |
Service
We accept custom orders.
If you want to know more product information, please feel free contact us and we’ll afford you the most suitable product and best service!
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We intention to see quality disfigurement within the creation and supply the ideal support to domestic and overseas buyers wholeheartedly for High Quality Ceramic Grining Balls - 99.7% Alumina Wafer Polish Plate – Chemshun , The product will supply to all over the world, such as: Danish, Nigeria, Madrid, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market. We are willing to cooperate with business friends from at home and abroad and create a great future together.
By Monica from Naples - 2017.01.28 19:59
The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
By Natividad from Iraq - 2018.06.19 10:42
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