M3-M16 95 alumina ceramic screw insulating ceramic screw and nut

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Technical ceramics are favoured in a wide range of electronics and engineering applications for their chemical and mechanical properties. Compared to metals, they are stronger in compression, especially at higher temperatures. Ceramics have a good thermal stability (i.e. a low coefficient of thermal expansion) and good thermal and electrical resistance. They are also hard, and have excellent dimensional stability.

Al2O3 Properties:

Excellent electrical insulation
Relatively low strength and fracture toughness
Resistance to wear and corrosive
Excellent thermal stability
Resistance to high temperatures
High electrical resistivity
Good chemical stability
High corrosion resistance