Resists to high temperature
Impervious to gazes
High refractivity
Good electrical insulator
Pyrometric ducts
Pipes for furnaces
Current path insulators
Chemical composition : Alumina 62,6% / Silica: 35,15% / Iron Oxide 0,82% / Titaniul oxide 0,39% / Calcium Oxide 0,18%
Ceramic that can be worked with conventionnal metal tools
Does not require any annealing after machining
Can be used at high temperaure, in continuous work at 800°C and 1000°C at peak.
Low thermal conductivity: high temperature insulator
Excellent electrical insulator
No porosity, no degazeification
Strong and rigid unlike plastics
Is not prone to creep or deformation at high temperatures
Resists to radiation
Can be metallized in thick layers
Can be polished
Electronic and semi conductor industries
Vacuum and utlra high vacuum industries
Nuclear industries
Medical
Optical
Aerospace
Lasers
Basic properties
Good resistance to thermal shocks
Good dimensionnal stability
Good thermal conductivity
Good electrical conductivity
High density and high mechanical strength
Low impurity, so high resistance to oxidiation
Applications
Crucibles and incinerating dish
Furnace equipments
Suceptors for induction furnaces
Heat exchanger
Moulds
Basic properties
Thin grain
High mechanical strenght
Machinable with high precision
Can obtain very good surface estate
High thermal shock resistance due to:
A low thermal expansion coefficient
A high thermal conductivity
A low elastic modulus
Applications
Sintering molds
Casting dies
Nozzles
Tools for composites shaping
Electroerosion
Basic properties
Electroerosion
Semi-conductors
Diamond sintering
Glass industry
Chemistry
Applications
Isotrope structure (perfect homogeneity)
Fine grain size
High density
Consistency of mechanical and electrical
characteristics due to an advanced technology
manufacturing process
Realisations
Specifications :
Diameter tolerances: +0.0/-0.1mm
Thickness tolerances: ±0.2mm
Transparency: >80%
Parallelism: <3’
Frontwave dispersion: λ per 25mm at 632nm
Bevel: <0.35mm ×45º
Available standard dimensions :
-Diam 25 x ép. 3 mm
-Diam 30 x ép. 2 mm
-Diam 50 x ép. 5 mm
-Diam 76 x ép. 3 mm
-Diam 100 x ép. 6 mm
-Diam 150 x ép. 10 mm
-Diam 200 x ép. 10 mm
-Diam 100 x ép. 6 mm
-Diam 150 x ép. 10 mm
-Diam 200 x ép. 10 mm
*These datas are for information purpose only. They do not engage SCERAM’s responsibility.
Excellent mechanical properties even at high temperature
Light
Low inertia
High hardness
Excellent resistance to friction and wear
Very high resistance to thermal shocks
Welding nozzles
TIG and plasma cutting (RSBN)
Bearings, shell bearings
Metal working tools
Inspection gauge
Bearing balls
