ISO9001 Dry Pressing Alumina Ceramic Valve Disc
1.Descriptions:
The alumina ceramic valve disc is more resistant to corrosion, high temperature, abrasion and impact, good parallelism, good sealing, not easy to break, good gloss, high hardness, it is applied to installing valve parts. it is made of 95,99% aluminum oxide and other materials.
2.Key Words:
Low cost, high operating economy and long service life. Suitable for all kinds of acid, alkali and salt liquids,manufacture samples , open mould ,aluminum oxide,thick-film nickel plating technology,copper and alloys,great limberness,Good corrosion resistance,High intensity,Good high-temperature resistance performance,High purity.
3.Parameters:
Product Parameters | ||
Physical Property | Material | 95% Alumina |
Production Process | Dry Pressing | |
Product Dimension | Per customers' drawing | |
Density (g/cm3) | 3.70-3.75g/cm3 | |
Water Absorption | 0% | |
Mechanical Performance | Flexural Strength (Mpa) | 310Mpa |
Modulus of Elasticity (Gpa) | 310Gpa | |
Hardness (Gpa) | 12.9Gpa | |
Poisson Ratio | 0.23 | |
Thermal Character | Linear Thermal Expansion Coefficient | 7.2 |
Heat Conductivity (W/mk) | 23 | |
Electrical Property | Dielectric Constant | 9.2 |
Dielectric Loss Tangent (x10-4) | 8 | |
Insulation Strength (x106V/M) | 15 |