Specifications
| chemical composition | Silica, aluminum oxide, calcium oxidation, oxidation mg, sodium oxidation |
| specific gravity | 2.5g/cm3 |
| False specific gravity | 1.5g/cm3 |
| microhardness | ≧ 680kg/mm 2 |
| Specifications | Φ 3.5-4.0mm |
Packing list
After-sales instructions
None
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/22063/Specification.html , which is only used by users who purchase commodities from the NBCHAO.