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Steatite Ceramic Parts

Steatite ceramic part is used extensively for insulation in the electrical and electronic industries. It is a lower cost material than alumina but has excellent electrical resistance properties (which are retained at high temperatures), along with moderate mechanical strength.

Steatite exhibits low contraction during firing, allowing us to produce components to precise tolerances. Both small and highly detailed shapes can be achieved using cost efficient production techniques, making steatite ceramic a good choice for the volume manufacture of insulating components.

Due to its excellent dielectric properties, steatite ceramic part has been used for many years in both large-scale electrical systems and electronics/domestic appliances. It has both a high volume resistivity and high dielectric strength, making it ideal for the production of electrically insulating components.

Steatite exhibits a low dielectric loss, allowing for their use for electrical insulation where radio and microwave frequencies are present. This low-loss property makes it the material of choice for insulation of broadcast antennae equipment (such as guy-strain insulators). Parts show good wear and corrosion resistance and can be supplied either glazed or unglazed.

Product Features:

1. Good dielectric strength
2. Heat resistance and form stability up to 1425°C
3. High mechanical strength
4. Non-combustible
5. Resistant to UV radiation
6. Lower medium spoilage
7. Good insulation performance

Product Parameters:

Properties Units Value
Density, r g/cm3 2.71
Color buff
Water Absorption % @R.T. 0.0 – 0.02
Hardness Moh’s 7.5
Compressive Strength MPa @ R.T. 621
Tensile Strength MPa @ R.T. 62
Modulus of Elasticity
(Young’s Mod.)
GPa 138
Flexural Strength (MOR) MPa @ R.T. 140
Max. Use Temperature
(* denotes inert atm.)
ºC 1425
Thermal Shock Resistance DT (ºC) 190
Thermal Conductivity W/m-K @ R.T. 2.9
Coefficient of Linear Thermal Expansion, al mm/m-ºC (~25ºC through ±1000ºC) 7.0
Specific Heat, cp cal/g-ºC @ R.T. 0.22
Dielectric Constant 1MHz @ R.T. 6.3
Dielectric Strength kV/mm 9.3
Electrical Resistivity Wcm @ R.T. 104

Application and After-Sales Service:

Applications:

Heater Parts
Band Heater Insulators
Beads
End Sealing Bushes
Rods
Tubes
Capacitor Bushing
Housing Boats
Halogen Parts
MCB Plates
Insulating components
Square Body HRC Fuses
Thermostat Parts
Lining Bricks
Grinding Media

Our steatite ceramic parts/components are exported to USA, Canada, Europe, and South America and Southeast Asia.

After-sales service:

Accept any repair of the product, help to improve technology for customer. And also provide long-term technical help and support for you.

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