fenghua feigu-kaiheng seals technologies co.,ltd -

fenghua feigu-kaiheng seals technologies co.,ltd

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carbon seal rings
Specification: Carbon-graphite
Detail: Density: 1.70g/cm3~~~2.25g/cm3 Bend strength:40~~~99*** Compressive stength: 120~~~370*** Shaw Hardness:45~~~110HS Porosity:0.57~~~2.5%

ceramics rings
Specification: Ceramics/Al2O3
Detail: Density:3.65~~~ 3.85g/cm3 Bend strength: 216~~~5540*** Hardness:78~~~90HRA hermal conductivity: 16.75Wm/K Coefficent of heat expansion: 5.3x10-6~~~5.8x10-61/¡æ

tungsten carbide seal rings
Specification: TC
Detail: Density: >14.3g/cm3 Hardness: >90HRA Bend strength: >1470*** Elastic modulus: 608Gpa Coefficent of heat expansion: 5x10-61/¡æ Thermal conductivity: 58.6~~~87.9Wm/k

silicon carbide seal rings
Specification: ssic/sic
Detail: Purity(sic percentage): >97% Density: 3.05g/cm3~~~3.15g/cm3 Hardness: >92HRA Grain size: 0.5~~~0.7um Elastic modulus: 400Gpa Bend strength: 400~~~580*** Compressive stength: 3900*** Fracture toughness: 4.5***.m1/2 The...


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