Silicon Nitride Ceramic Rod:
Long-precision circular rod of rough silicon nitride ceramics using sintering process after the hanging length of the bend is less than 1.5% of the length, roundness precision machining allowance of less than 1mm; high-precision circular silicon nitride ceramics with a long bar pressure sintering the material density of more than 98% of theoretical density, surface roughness Ra0.2, roundness tolerance 0 ~ 0.001mm.
