- Contact Person : Ms. Ge Nancy
- Company Name : Yixing City Shenxing Technology Co., Ltd.
- Tel : 86-510-87448121
- Fax : 86-510-87448233
- Address : Jiangsu,Yixing,Dashu Industrial Dapu Town . Yixing City. Jiangsu Province .China
- Country/Region : China
- Zip : 214225
MR16 Ceramic Lamp Holder
properties Density: 3.6 g/cm2 water absorption0 sintering temperature1680 oCphysical propertyHardness: 1500 HV Rupture strength: 3000 Kg/cm2 pressive strength: 25000 Kg/cm2 thermal property Maximum service temperature: 1450 oC Thermal shock resistance: 220 T (oC) Thermal conductivity: 25-- 14 W/m.k(2 5--300 oC))
Name | Unit | Alumina | Zirconia | ||
Content | % | ≥95 | ≥99 | ≥99.7 | ≥94 |
Density | g/cm3 | 3.65 | 3.80 | 3.90 | 6.00 |
Hardness (Hv0.5) | GPa | 13.1 | 15.0 | 17.1 | 13.2 |
flexural strength
| MPa≥ | 340 | 310 | 370 | 1000 |
Elasticity | GPa | 300 | 330 | 350 | 200 |
Poisson's ratio
|
| 0.23 | 0.23 | 0.23 | 0.30 |
Max Tem. | °C≥ | 1400 | 1750 | 1800 | 1050 |
Heat expansion | ×10-6/°C(40-800°C) | 7.8 | 8.0 | 8.0 | 11.0 |
Thermo conductivity
| W/m·K( 20°C) | 22 | 28 | 31 | 2.6 |
Thermal Resistance | °C | 200 | 200 | 230 | 300 |
dielectric strength
| V/m | 15×106 | 15×106 | 15×106 | 11×106 |
dielectric phase angle (1MHz) | ×10-4 | 4 | 2 | 1 | 16 |
SIC(1MHz) |
| 9.2 | 9.8 | 9.9 | 33 |
Nitric Acid (60%)90°C | WT Loss mg/cm2/day≤ | 0.12 | 0.10 | 0.05 | ≠0 |
Sodium hudroxide (30%)80°C | WT Loss mg/cm2/day≤ | 0.53 | 0.26 | 0.04 | 0.08 |
MR16 Ceramic Lamp Holder
