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silicon nitride and Si3n4 Rings for Mechanical Seals
1 . Descriptions:
Silicon nitride is a man made compound synthesized through several different chemical reaction methods. Parts are pressed and sintered by well developed methods to produce a ceramic with a unique set of outstanding properties. The material is dark gray to black in color and can be polished to a very smooth reflective surface, giving parts with a striking appearance.
Silicon nitride exceeds other ceramic materials in thermal shock resistance. It also offers an excellent combination of low
density, high strength, low thermal expansion and good corrosion resistance and fracture toughness.
silicon nitride has been used in a number of industrial applications, such as engine components, bearings and cutting tools.
2 . Advantages
a. High strength over a broad temperature range
b.Moderate thermal conductivity
c. Low coefficient of thermal expansion
d. Moderately high elastic modulus
3 . More pictures
we pack in the plastic box and then in export cartons or plywooden case.
