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[Actech Precision Ceramics Limited]
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.