Name: High-quality, custom-made corundum spinel powder with particle sizes of 0-1mm and 1-3mm to meet the diverse refractory needs of industries such as steel and ceramics.
Rating: 5.0 (50 reviews)

Product Introduction

Zhengzhou Rongsheng Refractory Materials Co., Ltd. meticulously crafts customized corundum spinel powder with specific particle sizes for the international market, a high-quality refractory raw material. The product undergoes rigorous quality control, possessing excellent thermal stability, chemical corrosion resistance, and thermomechanical strength. Particle sizes of 0-1mm and 1-3mm are available to fully meet the diverse needs of different customers. This product is widely used in industries such as steel, ceramics, cement, and glass, and performs particularly well in ceramic kiln furniture, refractory bricks, and refractory castables. Furthermore, it has obtained international certifications such as ISO9001 and ISO14001, and provides professional after-sales consultation and installation guidance services, offering reliable refractory material solutions for international buyers.

Advantages and features

1. Customizable particle size, available in 0-1mm and 1-3mm sizes to meet different needs.
2. It has excellent thermal stability and can maintain stable performance in high-temperature environments.
3. It has good chemical corrosion resistance, extending its service life.
4. High thermomechanical strength, improving the durability of refractory products.
5. Strict quality control measures are implemented, and international certifications ensure reliable quality. 6. Professional after-sales consultation and installation guidance services are provided.

Application Scenario

Suitable for industries such as steel, ceramics, cement, and glass. Ideal for manufacturers and traders requiring high-quality refractory materials, and can be used in the production of ceramic kiln furniture, refractory bricks, refractory castables, and other products.

Product Parameters

Chemical composition parameters

Al2O3 content:	Approximately 85-90%
SiO2 content:	Approximately 7-10%
Fe2O3 content:	<0.5%
TiO2 content:	<0.3%
CaO content:	<0.2%
MgO content:	<0.1%

Physical performance parameters

density:	Approximately 3.16 g/cm³
Bulk density:	Approximately 1.3-1.5 g/cm³
Melting point:	Approximately 1790℃
Coefficient of thermal expansion (20-1000℃):	Approximately 5.5 × 10⁻⁶ /K
Heat-resistant temperature:	Over 1600℃
Compressive strength:	≥100 MPa
volume stability:	excellent

Particle size parameters

Particle size range:	0-1mm, 1-3mm (custom sizes available upon request)
Liquidity:	good
moisture:	<0.5%

Application performance parameters

Chemical corrosion resistance:	Excellent, suitable for corrosive environments such as acids and alkalis.
High temperature mechanical properties:	Excellent, suitable for high-temperature load conditions
Thermal shock stability:	High temperature, suitable for environments with repeated high and low temperature fluctuations.