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China-Yixing Longly Refractories 95 Alumina Ceramic

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer China-Yixing Longly Refractories Co. Ltd
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF China-Yixing Longly Refractories 95 Alumina Ceramic.pdf
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Material Notes:
LONGLY selects high quality ceramic fine powder and micropowder as materials, adopts modern advanced molding technology to produce a multitude of ceramic tubes, rods, beads, balls, columns, plates, films and other forms. These ceramic products sintered in high temperature has a large elastic modulus, high mechanical strength, high oxidation resistance at elevated temperatures, excellent thermal conductivity, good electrical insulation, high electric strength, low dielectric loss, stability of electric properties with temperature and frequency variation, high wear-resistance, good corrosion resistance, superior waterproof under temperature mutation and surface machinability. Many of alumina's extinguished properties could be strengthened through variation in manufacturing methods and in chemistry.Applications: Widely used in electronics, electrical appliances, machinery, petroleum, chemical, medical, textile, automobile, metallurgy and aerospace industries and so on.Information Provided by China Yixing Longly Refractories Co. Ltd
Physical Properties Metric English Comments
Bulk Density 3.50 - 3.60 g/cc
0.126 - 0.130 lb/in³
Water Absorption <= 0.080 %
<= 0.080 %
Mechanical Properties Metric English Comments
Hardness, Mohs 9.0
9.0
Flexural Strength >= 520 MPa
>= 75400 psi
cold bending
Compressive Strength >= 500 MPa
>= 72500 psi
Ambient
Thermal Properties Metric English Comments
CTE, linear 6.50 - 7.80 µm/m-°C

@Temperature 25.0 - 800 °C
3.61 - 4.33 µin/in-°F

@Temperature 77.0 - 1470 °F
Thermal Conductivity 26.0 W/m-K
180 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air >= 1500 °C
>= 2730 °F
Component Elements Properties Metric English Comments
Al2O3 92 - 96 %
92 - 96 %
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm

@Temperature 100 °C
>= 1.00e+15 ohm-cm

@Temperature 212 °F
Dielectric Strength 15.0 kV/mm
381 kV/in
Insulating Strength
17.6 - 20.0 kV/mm
447 - 508 kV/in
DC Breakdown Strength
Descriptive Properties Value Comments
Refractoriness (°C) >2000
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