Name: 50pcs/lot Alumina ceramic sheet, high thermal conductivity insulating sheet triode heat sink TO-220/247/264/3P free shipping
Brand: China Mall
Price: 91.1 SAR
Availability: InStock
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50pcs/lot Alumina ceramic sheet, high thermal conductivity insulating sheet triode heat sink TO-220/247/264/3P free shipping

50 قطعة/الوحدة الألومينا السيراميك ورقة ، عالية الموصلية الحرارية العازلة ورقة الصمام الثلاثي بالوعة الحرارة إلى-220/247/264/3P شحن مجاني

<div class="detailmodule_html"><div class="detail-desc-decorate-richtext">Alumina ceramic chip is a special corundum ceramic made of AL2O3 as the main raw material, rare metal oxide as the flux, and calcined at a high temperature of 1,700 degrees. 
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Product name: alumina ceramic sheet Product material: alumina Product color: white Thermal conductivity: 28w/m.k Insulation performance: 15kv/mm Scope of application: high-power equipment/ICMOS tube, IGBT chip thermal insulation/high-frequency power supply classmates/mechanical equipment, high current, high voltage, high temperature/insulation parts requiring heat conduction 
Al2O3 ceramics: high alumina content, relatively dense structure, and special properties, so it is called special ceramics. Al2O3. The ceramic material is a close-packed hexagonal structure composed of oxygen ions, and aluminum ions are filled in two-thirds of the octahedral gap. This is the same stable α-Al2O3 structure as natural corundum, so ceramics have a high melting point and high Hardness and excellent wear resistance. The hardness of the ceramic patch is ≥HRA85, second only to the hardness of diamond, and the surface is smooth and the friction coefficient is small, and the wear resistance is very ideal, especially in the high temperature oxidizing medium or corrosive medium, the ceramic patch material has better performance than other metal materials. Much superior. 1. High hardness As determined by the Shanghai Institute of Ceramics, Chinese Academy of Sciences, its Rockwell hardness is HRA80-90, which is second only to diamond and far exceeds the wear resistance of wear-resistant steel and stainless steel. 2. Excellent wear resistance Measured by the Institute of Powder Metallurgy, Central South University of Technology, its wear resistance is equivalent to 266 times that of manganese steel and 171.5 times that of high-chromium cast iron. According to our customer follow-up survey over the past ten years, the service life of the equipment can be prolonged at least ten times under the same working conditions. 3. Lightweight Its density is 3.5g/cm3, only half that of steel, which can greatly reduce the equipment load. 4. Wide range of application For example, all the mechanical equipments such as coal conveying, material conveying system, pulverizing system, ash discharge and dust removal system of thermal power, steel, smelting, machinery, coal, mining, chemical, cement, port and wharf can be based on Choose different types of products for different needs. Performance meets technical standards Main technical indicators of wear-resistant ceramics Project index Alumina content ≥92% Density ≥3.6 g/cm3 Rockwell hardness ≥80 HRA Compressive strength ≥850 Mpa Fracture toughness KΙC ≥4.8MPa&middot;m1/2 Flexural strength ≥290MPa Thermal conductivity 20W/m.K Coefficient of thermal expansion: 7.2&times;10-6m/m.K This lining material has the advantages of special wear resistance, high hardness, impact resistance, temperature resistance, acid and alkali corrosion resistance, and the actual furnace age is more than 6 times that of polyurethane. It is especially suitable for the classification and concentration of strong abrasive and coarse particle materials. , Dehydration and other homework, has been very successfully cited in many ore.</div></div>
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50pcs/lot Alumina ceramic sheet, high thermal conductivity insulating sheet triode heat sink TO-220/247/264/3P free shipping

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