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Shengda Refractoy Ceramic Co.Ltd

China Manufacturer with main products: ceramic, alumina, cordierite, andalusite

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technical ceramic

FOB Price: 0.10 USD/Shanghai
Supply Ability: 1,000,000 Piece/Pieces per Week
Shipping: 25days after payment
Payment Terms: L/C, T/T(Bank Transfer), D/A, D/P
In Stock

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Place of Origin: Jiangsu in China
Packaging Details: Pallet


1) Materials: 95% alumina oxide, 99% alumina oxide
2) Application: Used for all kinds of electric heating equipment and electric
Equipment, and textile machinery
3) Good smooth and high strength
4) A variety of specifications available
5) OEM are welcomed

Product Parameters
                         Material Properties Steatite Porcelain Alumina Porcelain Mullite Porcelain
MgO-SiO2 75% AL2O3 95% AL2O3 3AL2O3·SiO2
Density(g/cm3 2.6-3.1 2.5-3.3 3.5-3.8 2.5-2.6
Breaking Strength(Mpa) 140-150 200-300 300 100-200
Thermal Expansion Coefficient                (x10-6mm/oC) 7-7.5 6 6.5-8.0 4.4-5.6
Water Absorptivity 0 0 0 0
Thermal Conductivity    (W/m·k) 2.5 10-15 17 3.9-6.1
Volume Resistivity     (Ω·cm) 1012-1014 1013-1014 >1014 >1013
Dielectric Constant (1MHz) 6-7 7.5-9 8.6 6.4-7.3
Dielectric Loss 1MHz(20oC) (6-8)X10-4 (3-5)X 10-4 (2-3)X 10-4 (14-18)X 10-4
Dielectric Strenth (Kv/mm) 25-30 25-30 30-35 20-25
Sintering Temperature(oC) 1350+20 1360+20 1650+20 1320+20
Operating Temperature(oC) <800 <1000 <1200 <800

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