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Product Details:
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| Name: | Ceramic Pump Seal | Material: | Alumina |
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| Feature: | Corrosion Resistance | Density: | Alumina 3.7-3.9g/cm^3; Zirconia ≈6g/cm^3; Silicon Carbon ≈3.14g/cm^3 |
| Vickers Hardness: | Alumina 1800-2000 HV; Zirconia ≈1300 HV; Silicon Carbon ≈2500HV | Fracture Toughness: | Alumina ≈5 (Mpa M1/2) ; Zirconia 7 (Mpa M1/2) |
| Compressive Strength: | Alumina ＞3200 (Mpa Psi*103); Zirconia ≈3900 (Mpa Psi*103)；Silicon Carbon 2200 (Mpa Psi*103) | Thermal Expending Coefficient: | Alumina 7.8-8.2 （1*10^-6/℃）；Silicon Carbon ≈4.5 （1*10^-6/℃） |
| High Light: | 88HRA Ceramic Pump Seal,99% Ceramic Pump Seal,88HRA silicon carbide mechanical seal |
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Ceramic Seal Part 99% Alumina Ceramic Mechanical Spare Part Anti-abrasion
Advantages
● High wear resistance
● High corrosion resistance
● High-temperature resistance
● Dimensional stability and aging resistance
● Excellent sliding properties (tribology)
● Biocompatibility (for use in hygiene and the food and beverage industry)
Properties:
Powerful interatomic bonds endows zirconia ceramics not only with high hardness and wear resistance, but also a resistance to corrosion. Usually it has less hardness and brittleness than that of alumina ceramic, but has more elasticity, which means it is not as brittle as alumina ceramic. If hardness is not so exacting, zirconia parts are a good choice to be applied.
| Ceramic 95% | |
| Alumina | |
| Fundamental properties | High hardness, good wear resistance under abrasion,low electrical conductivity,good value for money |
| Main component | 95% Al2O3 |
| Gross density | 3.7g/cm^3 |
| Flexural Strength | 400 Mpa (Psi*103) |
| Compressive Strength | 3100Mpa (Psix103) |
| Fracture Toughness | 5 Mpa m1/2 |
| Young’s Modulus (dynamic)/Elasticity Modules | 300 Gpa |
| Vickers Hardness | 1500-2200 HV |
| Thermal Conductivity | 28 W/mK |
| Coefficient of Linear Expansion (20–400°C) |
7.5 10^–6 K–1 |
| Maximum Operating Temperature | 1400 ℃ |
| Thermal Expanding Coefficient | 7.5 (1x10^-6/℃) |
| Thermal Shock Resistance | 250℃ Tc |
| Disruptive Strength | KV/mm,DC ≥20 |
| Acid Resistance | mg/cm^2 ≤0.7 |
| Alkali Resistance | mg/cm^2 ≤0.2 |
| Wear Resistance | g/cm^2 ≤0.1 |
| Dielectric Strength | 9.0 εr(20℃ ,1MHz) |
| Dielectric Constant | 9.2 1MHz 25° |
| Tensile Strength | 51KN |
| Volume Resistivity | ＞10^15 100° |
| Water Absorption | 0 |
| Specific Heat Capacity | 0.78x10^3 J/(kg.K) |
Advantages of zirconia parts:
·High wear, heat, pressure, and chemical attack resistance (gas and liquids)
·Extreme hardness
·Excellent electrical insulation
·Relatively lightweight
About Us
Suzhou Jingci Super Hard Materials Co., Ltd has specialized in precision ceramics for more than twenty years and has rich experiences in designing and developing technical ceramic solutions for a wide variety of applications. Jingci has the capability to provide customers with expertise to make sure the best design and materials are made for their specific application and needs
Contact Person: Mrs. Wang
Tel: 18862487753
Fax: 86-0512--66952686
