Very hard
Resists to high temperatur
Low thermal conductivity
Can be polished
Relatively flexible
Wear parts
Hot extrusions dies
Welding centring pins
Mechanical components for use at all temperature
Cutting tools, kitchen knives
Medical
Dental technicien
Scrapers
Doctor rings for pad printing
Inert glass with high hydrolytic resistance
Hard glass with high softening point
Glass with low expansion coefficient with good resistance to thermal shock.
Glass easy to work with a blowtorch.
Millable
Working temperatures: from 300 to 400°C
Laboratory equipments
Optical sight glasses
Machined research components
High chemical purity
Very weak expansion coefficient
Very high thermal shock resistance
Working temperature : 1050°c
Peak temperature lapses: 1200°c
Can be worked when heated. Possibility to produce complex shapes
Can be welded
Very good optical properties. Transmission in UV spectrum
Sight discs
Optical
Semi-conductors.
Laboratory material
Electronic
Infrared
High mechanical strength
High thermal stability
High heat transmission
Chemically inert
Very high electrical insulation
Very high hardness
Very good wear resistance
Low friction coefficient
High temperature resistance
Good optical properties
Good resistance to acids
UV transparent, infrared and visible radiation.
Semi-conductor wafers
Watch windows
Electronical applications
Measuring tools.
Optical prisms and lenses
Pistons
Prototypes and small series
Parts for vacuum
Parts for electronics requiring electrical insulation and heat dissipation
Crucible for vapour deposition
Silicon material is a semi-conductor.
Its electrical conductivity is a lot inferior than metal ones.
It is not soluble in water (except at high temperature).
Silicon is attacked by hydrofluoric acid (HF) or mixed hydrofluoric and nitric (HNO3) depending on its phase.
The electrical conductivity of semi-conductor is between the insulators ones, and metal ones.
Semi-conductors
Photovoltaïc
Mechanical components
Aerospatial
