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Help CenterCustomized RoHS Alum Oxide AL2O3 Ceramic Raw Materials Screws for Electronical Industry
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Certification:ISO9001 TS/16949
Customized RoHS alum Oxide AL2O3 Ceramic raw materials Screws for electronical industryAluminum Oxide Ceramic Screws
1.Material: 85 - 99.5% alumina ceramic
2.Purpose:used in electronical industry
3.RoHS
Aluminum Oxide Ceramic Screws
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.
Specification for alumina ceramic lining board or lining facing/gasket:
Item | Length mm | Width mm | Thickness mm |
10x10 | 10 | 10 | 4/5 |
17x17 | 17 | 17 | 4/5 |
50x50x26.5 | 50 | 50 | 26.5 |
120x80x10 | 120 | 80 | 10 |
110x37(34)x12 | 110 | 37(34) | 12 |
130*50(47)*12 | 130 | 50(47) | 12 |
150*100*25.4 | 150 | 100 | 25.4 |
150*60*10/12 | 150 | 60 | 10/12 |
150*100*25.4 | 150 | 100 | 25.4 |
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 |
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