Wear-resistant ceramic liner is a kind of aluminum oxide (AL2O3) as the main material, supplemented by other ingredients, after high temperature sintering at 1700 ° C, are widely used in thermal power, steel, metallurgy, machinery, coal, mining, Cement, ports and other enterprises in the coal conveying, feeding system, milling system, dust, dust and other systems of wear and tear on all large machinery and equipment, according to different needs can choose different types of products.
he performence | Content of AL2O3 | ≥95% |
Density | ≥3.6 g/cm3 | |
Rockwell hardness | ≥85 HRA | |
Rupturing toughness | ≥5.0MPa.m1/2 | |
Compression-resistant strength | ≥850MPa | |
Bend-resistant | ≥290MPa | |
Pull-apart strength(MPa) | ≥7.5 | |
Pull-apart prolongation(%) | ≥300 | |
Shore hardness | 55-65 | |
Permanent deform(%) | ≤24 | |
Adhesion of the adhesive agent and the ceramic(MPa) | ≥3.0 | |
The form service life of the adhesive agent | ≥15 | |
Temperature-resistant | ≤250°C | |
Coefficient of conducting heat. | 20w/m.k | |
The performance to be nonflammable | excellent | |
Coefficient of heat-expandability | 7.2×10-6m/m.K |
