 |
| |
¢ñ. Large Ceramics
¢ò. Fine Ceramics
¢ó. Wearing resistance
¢ñ. Large Ceramics
1) Processed by machine after firing
2) Good insulation and strength
¢ò. Fine Ceramics
1) Processed by machine after firing and polished
2£©Precious dimensions and good surface
¢ó. Wearing resistance
1) Processed by machine after firing
2) These products are wear-resisting
|
 |
| |
95 - 99%
alumina |
| ROUGHNESS |
Ra¡Ü0.4¦Ìm |
| HARDNESS |
HRA85-90 |
| volumn density |
¡Ý3.6g/cm3 |
| bending
strength |
¡Ý275MPa |
| breakdown voltage |
£¾15KV/mm |
| dielectric
constant |
1MHz 20¡æ 9¡«10 |
| |
£¾1013¦¸¡¤cm |
| coefficient
of linear expansion |
6.5¡«8¡Á10-6mm/¡æ |
| dielectric loss tange at 1MHz 20 ¡æ |
£¼3.5¡Á10-4 |
| Bulk density |
¡Ý3.65g/cm3 |
| Heat and shock resistance |
Pass |
|
Practice£ºUsed as ceramic part ,tools and sealing in machine£¬it can
be used in mining industry , collecting powder or dust. Besides,
it can be used as ceramic ball, measurement in the wear-resisting
ceramic liner . |
