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Home / Products / A-99 Aluminium Oxide High-Purity Corundum Thermal Storage Balls / A-99 Aluminium Oxide High-Purity Corundum Thermal Storage Balls Supplier
  • A-99 Aluminium Oxide High-Purity Corundum Thermal Storage Balls
  • A-99 Aluminium Oxide High-Purity Corundum Thermal Storage Balls

A-99 Aluminium Oxide High-Purity Corundum Thermal Storage Balls

Corundum thermal storage balls have remarkable features such as low reheat line shrinkage, high softening temperature under high-temperature load, corrosion resistance, high strength, large heat storage and release, good thermal shock stability, good thermal conductivity, and small thermal expansion coefficient. They have a longer service life and better energy-saving effect.

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  • A-99 Aluminium Oxide High-Purity Corundum Thermal Storage Balls
  • A-99 Aluminium Oxide High-Purity Corundum Thermal Storage Balls
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Advantages And Features

Compared with the current commonly used alumina heat storage balls, high purity corundum (AL203>99.5%) heat storage balls are better in thermal shock resistance, slag resistance, corrosion resistance, longer service life, and better energy-saving effect.

Details Parameters

92%Al2O3 99%Al2O3 Almatics 99.5% Corundum  SGJL 99.5% Corundum
Al2O3 content(%) ≥92 ≥99 ≥99.5 ≥99.5
Sintering Temperature(％) 1580 1650 1900 1900
Moisture Absorption(%) <3 <2 <0.5 <0.5
Density(g/cm3） ≥3.2 ≥3.4 ≥3.65 ≥3.65
Apparent Porosity(%) <12 <12 <2 <2
Thermal Shock Resistance 1200/600℃ ≥3times ≥5times ≥10times ≥10times
Structure Under Electron Microscope Microcrystalline Microcrystalline Tabular Alumina Tabular Alumina

Precautions For Use

Zhejiang Shangguijuli Special Material Technology Co., Ltd is professional China Corundum Thermal Storage Ball supplier and wholesaler in China, We focus on silicon nitride ceramic material and aluminum titanate material products. We also provide consulting services on ceramic materials for the aluminum processing industry, based on long-term experience, development work and information obtained from customer interactions. Welcome to visit our 99.5% Aluminium Oxide Corundum heat Storage Ball company.

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About Us
Zhejiang Shangguijuli Special Material Technology Co., Ltd.
Zhejiang Shangguijuli Special Material Technology Co., Ltd.
Founded in 2018, Zhejiang Shangguijuli Special Material Technology Co., Ltd.（SGJL for short) is a high-tech High-Purity Corundum Thermal Storage Ball Supplier and company which specializing in R&D and production of special ceramic materials. After five years of rapid development, SGJL has become a high-end material backbone supplier specializing in serving the global aluminum processing industry. We offer and wholesale high purity corundum (AL203>99.5%) heat storage balls which mainly serve the global aluminum processing industry.

SGJL’s mission is to provide various high-end material solutions for the global aluminium processing industry and even the non-ferrous metal processing industry. And we will rely on our outstanding technological research and development capabilities to continuously create an advanced material foundation for the upgrading of the entire industry.
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