‌Raw Materials‌
Industrial-grade alumina powder, high-quality quartz sand

‌Production Process‌
Melted in an electric arc furnace at temperatures above 2000°C, followed by cooling and crystallization.

‌Color‌
Gray-white, needle-like crystals

‌Characteristics‌

• ‌● Uniform expansion

• ‌●  Excellent thermal shock stability

• ‌●  High load softening point

• ‌●  Low high-temperature creep value

• ‌●  High hardness

• ‌●  Good chemical corrosion resistance

‌Applications‌

1. ‌Refractory Materials‌

• ‌●  High-temperature furnace linings: Blast furnaces, converters (steelmaking), glass melting furnaces, cement rotary kilns, etc.

• ‌●  Refractory castables/spray coatings: Used as aggregates or additives to enhance high-temperature performance.

• ‌●  Special refractory products: Mullite bricks, crucibles, thermocouple protection tubes, etc.

Particle Size‌

• ‌● ‌Graded sand‌: 0-0.5mm, 0-1mm, 1-3mm, 3-5mm, etc.

• ‌● ‌Fine powder‌: 100#, 200#, 325#, etc.

 ‌      ● Product Specifications‌ (Al/Si ratio can be adjusted according to customer requirements)