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RoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite Component

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RoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite Component

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Brand Name : MH

Model Number : MH01

Certification : RoHS ISO9001

Place of Origin : CHINA

MOQ : 100 PCS

Price : USD 0.1-0.35/PCS

Payment Terms : L/C, T/T, Western Union

Supply Ability : 5000 PCS WEEK

Delivery Time : 15-20DAYS

Packaging Details : CARTON/WOODEN BOX

Material : Mullite

Color : White or Brown

Density : 2.3g/cm³

Size : Customers' Requests

OEM,ODM : Acceptable

MOQ : 100

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Whole Sale Mullite Ceramic Part Electrical Insulation Mullite Component

Mullite Ceramics:
Mullite ceramics is a general term for a class of ceramics in which the main crystal phase is mullite (3Al2O3·2SiO2). If the mullite porcelain without glass phase is prepared from synthetic ultra-fine high-purity mullite powder, it is also called new mullite ceramic, that is, high-purity mullite ceramic.
Mechanical properties
The mechanical properties of the high-purity mullite ceramic sintered body are determined by the ratio of Al2O3/SiO2 and the microstructure, especially the mullite ceramics with an Al2O3 content of 68%. The flexural strength at 1300 °C is 570 MPa, and the fracture toughness Kic is up to 5.7MPa.Nm, which is 1.6 times higher than normal temperature. This temperature increase, strength and toughness not only do not attenuate but increase greatly. In addition to SiC, it is unique in the existing high-temperature ceramic materials, which is also high. Pure mullite ceramics are excellent properties as high temperature materials.

Optical performance
Although the mullite crystal is not a cubic crystal system, it is only an orthorhombic system, but due to the small birefringence of light (only 0.012), a ceramic material having a certain transparency can be obtained under certain conditions. The high-purity ultrafine powder prepared by the alkoxide hydrolysis method can be obtained by vacuum sintering at 1750 ° C to obtain transparent mullite porcelain.

Item Test Condition Unit&Symbol Cordierite ceramics
The main chemical ingredient MgO, Al2O3,SiO2
Bulk Density gm/cc 2.6
Maximum Use Temperature 1400℃
Hardness HV 800
Bending Strength 20℃ Kgf/cm2 900
Compressive Strength 20℃ Kgf/cm2 3500
Fracture Toughness K(I c) Mpa m1/2 -
Thermal expansion 1X 10-6/℃ ≤2.0
Thermal conductivity 25℃-30℃ W/m.k 1.3
Thermal Shock Resistance Tc 250
Dielectricity constant 1MHz.25℃ 6
Dielectric strength ac-kV/mm (ac V/mil) 10
Volume Resistivity 20℃ ohm-cm > 1012

RoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite ComponentRoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite ComponentRoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite ComponentRoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite Component

RoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite ComponentRoHS Electrical Refractory Ceramic Part Steatite Properties Insulation Mullite Component


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