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High Resistivity Precision Steatite Ceramics Socket Insulators
Features:
High resistivity
Moderate strength
Excellent electrical properties
Poor heat conductivity (Thermal insulator)
Good resistance to thermal shock
Low coefficient of thermal expansion
Good mechanical stability
Applications:
Heating element holders
Stand off Insulators
Interlocking Insulating Beads
Splitbush insulators
Lamp bases and caps
Regulator parts
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Usage:
As ceramic parts of flexible pad and channel heaters at operations of pre and postweld heat treatment; Welding process,stress-relieving, pre-heating & post heating, other resistance-heating environment
Specification:
STEATITE Main Parameter:(Chemical/physical) | ||||
Property | Item | Unit | Steatite | |
General properties | Bulk Density | g/cm³ | 2.8 | |
Color | - | White | ||
Water absorption | % | 0 | ||
Main Characteristics | Thermal Insulator | |||
Main Applications | Various circuit parts | |||
Mechanical Properties | Flexural Strength | Mpa | 190 | |
Elastic Modulus | Gpa | 120 | ||
Vickers Hardness | Gpa | 5.8 | ||
Compressive Strength 20℃ | Mpa | - | ||
Fracture Toughness(k l c) | Mpa*M*1/2 | - | ||
Thermal Properties | Thermal conductivity(20℃) | w/mk | 2 | |
Thermal Shock | ℃ | - | ||
Coefficient of Thermal expansion (40-400℃) | 1x10-6/℃ | 7.7 | ||
Coefficient of Thermal expansion (40-800℃) | 1x10-6/℃ | 8 | ||
Electrical Properties | Dielectric Strength(1mhz) | kv/mm | 18 | |
Dielectric Constant(1MHZ) | 25℃ | 6 | ||
Volume Resistivity | ohm-cm(20℃) | >10^14 | ||
ohm-cm(300℃) | 10^10 | |||
ohm-cm(500℃) | 10^7 |
Our Company
Wuxi Special Ceramic Electrical mainly produces alumina, Silicon
nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite
products, widely used in metal welding, electronic conductor,
mechanics, assembling, insulation, chemicals, instrument, textile,
nuclear industry, aerial field.We accept trial produce according to
the drawing or sample.It usually takes 15 days to finish trial
product.Mass produce usually takes 30 days.Goods' package is carton
or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and
Europe.Our aim is to deliver goods with high quality at quick
delivery date.