Alumina 300Gpa φ47mm Ceramic Mechanical Seal
Brand Name:Jingci
Certification:RoHS
Model Number:JCMF007
Minimum Order Quantity:Negotiation
Delivery Time:5-8 workdays
Payment Terms:L/C, T/T
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Suzhou Jiangsu China
Address:
No.369 Pujin Rd. , Linhu Town, Wuzhong Dist. , Suzhou,Jiangsu, 215159-China
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Product Details
Ceramic Seal Part Alumina Ceramic Mechanical Seal Ring Anti-abrasion
Introduction
Part Name: ceramic pump seal/zirconia seal plate
Specifications: φ47mm*H1.5mm
Materials: Yttria-stabilized zirconia
Yttria-stabilized zirconia (YSZ) is a ceramic in which the cubic crystal structure of zirconium dioxide is made stable at room temperature by an addition of yttrium oxide. After shaping and sintering, Yttria-stabilized zirconia’s hardness reaches HV2500, and has good properties as wear resistance, anti-corrosion, high temperature resistance, as well as excellent finish surface.
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.
Detailed Product Description
| 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
Application:
Because zirconia has good properties of elasticity module and high hardness, as well as the above good properties, the parts made from zirconia are often used as mechanical or pump seal plate or disc.
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
Alumina 300Gpa φ47mm Ceramic Mechanical Seal
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