Твердосплавное керамическое уплотнительное кольцо SSIC для механического насоса

Silicon Carbide Ceramic has excellent mechanical strength and hardness, small creep deformation, good oxidation resistance, good corrosion resistance and good wear resistance, it is an ideal choice for high temperature engineering materials. Due to the outstanding properties, Silicon Carbide Ceramic  is also recognized as a mechanical sealing material better than metals, tungsten carbide, al2o3 ceramics etc. Moreover, it also has advantages of self-lubricating properties and low friction coefficient.

According to the different manufacturing methods, the materials below are avaible:
Sintered Silicon Carbide (SSiC)
Reaction Bonded Silicon Carbide (SiSiC)

Typical Properties

✔High strength in high tempperature

✔High-temperature oxidation resistance

✔Excellent wear resistance

✔Low thermal expansion and high thermal conductivity

✔Excellent thermal shock resistance

✔High Hardness

✔Outstanding corrosion resistance

Application Examples

✔Mechanial seal rings

✔Balls, seats, liners for valve

✔High Temperature kiln furniture

✔Heat exchangers

✔Fixed and moving turbine components

✔Components for burners

✔Ceramic bearings

Alumina Ceramics

●Strong wear resistance

●Good electrical insulation

●High temperature resistance

●High mechanical strength

Zirconia Ceramics

●High fracture strength

●Strong wear resistance

●High durability and hardness

●Similar CTE with steel

Boron Nitride Ceramics

●High temperature resistance

●High thermal conductivity

●Non-wetting with metals

●Good electrical insulation

Silicon Nitride Ceramics

●High Fracture Strength

●High Strength in a wide temperature range

●Strong wear resistance

Silicon Carbide Ceramics

●High Strength in a wide temperature range

●High thermal conductivity

●Good thermal shock resistance

Aluminum Nitride

●Very high thermal conductivity

●High mechanical strength

●Good electrical insulation

●Similar CTE with Si