Industrial Zirconia ZrO2 Ceramic Plunger Valve For Pump
Features:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products, electric heating products and wear resistant machinery parts.We can supply the products according to customer's drawings, samples and performance requirement.
| Xyceramic property | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Name (名字） | Unit (单位) | steatite （滑石） | Alumina (氧化铝) | ZTA （增韧氧化铝） | |||||
| H-101 | A-101 | A-131 | A-142 | A | AA | AAA | |||
| Material （材料） | Al2O3 95-97% | Al2O3 99.7% | Al2O3 99.7% | ZrO2+Al2O3 | |||||
| colour （颜色） | white | white, ivory | ivory, white | ivory | yellow | white | white | white | |
| Density （密度） | g/cm3 | 3.7 | 3.9 | 4.25 | 6 | 6.03 | 6.05 | ||
| Flexural strength （抗弯强度） | Mpa | 360 | 410 | 600 | 900 | 1000 | 1050 | ||
| Compressive Strength （抗压强度） | Mpa | 2250 | 2450 | 3600 | ?2200-3600 | 3600 | 3600 | ||
| Modules of Elasticity(young) （弹性模量） | Gpa | 330 | 380 | 350 | 200 | 200 | 200 | ||
| lmpact Resistance （抗冲击性） | MPam1/2 | 3 | 4.5 | 5.5 | 5 | 6 | 6.5 | ||
| poision's ratio （维泊尔系数） | 0.23 | 0.22 | 0.24 | 0.3 | 0.3 | 0.3 | |||
| hardness HRA | HRA | 91 | 89 | 90 | 90 | ||||
| Vickers Hardness （维氏硬度） | HV0.5 | 1400 | 1500 | 1600 | 1270 | ||||
| Thermal Expansion Coefficient （热膨胀系数） | 10-6K-1 | 7.1 | 6.8 | 9.2 | 11 | 11 | 11 | ||
| Thermal Conductivity （导热系数） | W/mk | 25 | 32 | 8 | 3 | 3 | 3 | ||
| Thermal Shock Resistance （热震稳定性） | △T.℃ | 200 | 220 | 470 | 300 | 300 | 300 | ||
| Maximum Use Temperature （最高使用温度）in oxidizing atmosphere | ℃ | 1200 | 1500 | 1000 | 1000 | 1000 | 1000 | ||
| Maximum Use Temperature （最高使用温度）in reducing or inert atmosphere | ℃ | 1200 | 1500 | 1000 | 1000 | 1000 | 1000 | ||
| Volume Resistivity at 20℃ （20℃体积电阻） | Ωcm | 10^14 | 10^15 | 2.1013 | 10^13 | 10^13 | 10^13 | ||
| Dielectric Strength （电介磨强度） | kV/mm | 16 | 20 | 16.5 | 19 | 19 | 19 |