isostatic press aluminum oxide ceramic plate roundel
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Alumina Ceramics:
Talc porcelain is made of mineral talc (3MgO.4SiO2.H2O) as the main raw material, adding the appropriate amount of clay and BaTi03 and other ingredients through mixing grinding, molding and high temperature sintering. The main crystal phase of talc porcelain is protocopper, which is magnesium metasilicate (chemical formula: Mgsio3). It is a high-frequency structural ceramic with excellent electrical properties and low cost. It is often used in high-frequency equipment as insulating parts. Its characteristics are dielectric loss and low price, which can be used to manufacture high-frequency insulators, insulating tubes and coil bobbins. Talc porcelain is suitable for high-end daily tea set, tableware and furnishing porcelain. It is mostly decorated with white and various pastel patterns, which is very elegant and unique. (1) Encapsulating the original refractory grains with sufficient, uniform and stable glass can effectively inhibit the crystal form conversion of the original refractory and prevent the aging of talc porcelain.
(2) Strict process to ensure that the talc porcelain has a fine-grained structure, to prevent the growth of the original refracite grains to cause too much stress caused by the crystal form conversion, destroy the glass phase to wrap the original refractory grains, and suppress the occurrence of the original refractory The effect of crystal form transformation and aging prevention of talc porcelain.
(3) Adding a small amount of other ingredients that can form a solid solution with Mgsio3, affecting and inhibiting the aging of talc porcelain.
properties: High hardness, high strength, wear resistance, corrosion resistance, high temperacture (1600°), good thermal diffusivity, good insulativity, low cost etc.
Data Sheet↓
Color: White/Ivory Density: 3.9g/cm3 Alumina Content: 96% 99% 99.5% Gas permeability: 0 Water Absorption: 0 MONS' Hardness: 82 Vickers Hardness (Hv50): 15.7(1600) Gpa(Kg/mm²) Flexural Strength(20°C): 330Mpa Compressive Strength(20°C): 2000Mpa Fracture Toughness (20°C): 4 MPam1/2 Thermal Conductivity(20°C): 27.5W(m.K) Thermal Expansion Coefficient: 7.6 10-6/°C Thermal Shock Resistance: 200 △T°C
Maximum use temperature 1650°C
Dielectric Strength: ＞10 KV/mm
Dielectric Constant: 9.1er
Dielectric Loss Angle(1MHz): 0.0002-0.0003
Volume Resistivity(20°C): ＞1014Ω.cm
Application industry: Machinery, electronic, chemical, petroleum etc. Specific application: Electrical ceramic substrate, plunger, sealing ring etc.
Why Choose Us? 1.12 years of professional production industrial ceramics factory 2.High quality products with low price 3.High precision parts with lowest tolerance 4.Short time for production 5.Has a group of experienced, professional and efficient R&D team 6.Has a good reputation in China and abroad. 7.MOQ is not limited, small quantity is welcome.
8.Vigorous team and good after-sales service
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A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
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A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
