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LatestProducts
99.7% High Purity Alumina Al2O3 Ceramic Screws
China 99.7% High Purity Alumina Al2O3 Ceramic Screws, Find details about China Ceramic Alumina Screw, Alumina Button Head Cap Screw from 99.7% High Purity Alumina Al2O3 Ceramic Screws - Shanghai Gongtao Ceramics Co., Ltd.
Description
Basic Info
- Model NO.: GT-076
- Type: Round Head
- Head Style: Round
- Alumina Content: 99.7% Alumina,99% Alumina, 95% Al2O3
- Color: White, Cream, Yellow
- Application: High Temperature Resistant, High Wear Resistance
- Trademark: shangtao
- Specification: Rohs
- HS Code: 8547100000
- Material: Alumina Ceramic
- Connection: Common Bolt
- Standard: DIN, GB
- Head: Hex, Button Head, Pan Head
- Thread: UnUnrUncUnfUns, Unef
- Finish: Grind
- Transport Package: Plywood Case
- Origin: Shanghai, China
Product Description
Gong tao company can customize various alumina ceramic parts such as plate, wafer, gasket, screw, disk ect.
These items have wear-resistance, shock resistance, and convenient construction ect. They are wear-resisting and ideal material for material transportation equipment in industry such as petroleum, mine, steelworks, electric plant. And they can prolong the using cycle of equipment effectively.
Gongtao company can make special various wear-resistance parts based on the requirement and drawing.
Gongtao company can make special various wear-resistance parts based on the requirement and drawing.
These items have wear-resistance, shock resistance, and convenient construction ect. They are wear-resisting and ideal material for material transportation equipment in industry such as petroleum, mine, steelworks, electric plant. And they can prolong the using cycle of equipment effectively.
Gongtao company can make special various wear-resistance parts based on the requirement and drawing.
Gongtao company can make special various wear-resistance parts based on the requirement and drawing.
| AL2O3 conent % | 60 | 75 | 80 | 85 | 92 | 95 | 99 | 99.7 |
| Bulk density(g/cm3) | 3 | 3.1 | 3.3 | 3.4 | 3.6 | 3.7 | 3.81 | 3.85 |
| Flexural Strength(MPa) | 205 | 280 | 215.7 | 230 | 312 | 304 | 340 | 370 |
| Coefficient of linear expansion(×10-6/°C)(25-800°C) | 7.1 | 7.6 | 7.6 | 7.6 | 7.5 | 7.3 | 7.6 | 7.6 |
| Thermal conductivity[w/(m.R)] | 16 | 17 | 17 | 17 | 18 | 20 | 34 | 35 |
| Insulated strength(KV/mm) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Bulk density resistance(Ω.cm)20°C | >1014 | >1014 | >1014 | >1014 | >1014 | >1014 | >1014 | >1014 |
| 300°C | >1013 | >1013 | >1013 | >1013 | >1013 | >1012 | >1010 | >1010 |
| Long term operating temperature (°C) | 1350 | 1000 | 1250 | 1290 | 1390 | 1480 | 1600 | 1700 |
| Hardness | 7.5 | 7.5 | 7.5 | 7.5 | 8.5 | 8.8 | 9 | 9 |
| Refractoriness | 1800 | 1700 | 1800 | 1850 | 1920 | 2000 | 2030 | 2040 |
