China Polished Silicon Nitride Si3n4 Ceramic Wafer for Laser Machine, Find details about China Silicon Nitride Ceramic Sheet, Silicon Nitride Ceramic Parts from Polished Silicon Nitride Si3n4 Ceramic Wafer for Laser Machine
Product name | Polished Silicon Nitride Si3n4 Ceramic Wafer for laser machine |
Material | Silicon nitride |
size | 80x10mm or customized |
Tolerance | ±0.01mm |
Color | Black |
Surface Roughnes | 0.3-0.5 Ra |
Hardness | ≥92 |
Delivery time | 1.Stock:delivery within 3-5 days after receiving your payment. 2. OEM/ODM:The normal Lead time is 15-45 days, which depends on your quantiy. |
Item | Gas pressure sintering | Hot pressing sintering | Reactive sintering | Pressureless sintering |
Rockwell hardness (HRA) | ≥75 | - | >80 | 91-92 |
Volume density(g/cm3) | 3.25 | >3.25 | 1.8-2.7 | 3.0-3.2 |
Dielectric constant | - | 8.0(1MHZ) | - | - |
Electric volume resistivity | 1014 | 108 | - | - |
Breaking tenacity | 6-9 | 6-8 | 2.8 | 5-6 |
Elasticity modulus | 300-320 | 300-320 | 160-200 | 290-320 |
Thermal expansivity | 3.1-3.3 | 3.4 | 2.53 | 600 |
Thermal conductivity | 15-20 | 34 | 15 | - |
Packing Details | We will packing by plastic/ polybay and bubble bags first , and then into the foam box,finally into the wooden cases/ carton/pallet or customized package.Every package can be offered with English installation instruction. |
Delivery Details | We can deliver by any courier, eg, TNT, UPS, FedEx, EMS etc.We can also by air, sea etc.We can choose the way according to the requirements of customers to ensure the most safe, efficient and convenient transportation. |