High-Alumina Castable Refractory
High Alumina Castables (HAC Series)
HAC 40 / HAC 52 / HAC 75 / HAC 80
LRL supplies premium High Alumina Castables (HAC Series) engineered for demanding high-temperature industrial applications. Designed for strength, thermal stability, and long service life, our HAC products deliver reliable performance in furnaces, kilns, incinerators, boilers, and refractory linings.
Product Overview
Our HAC castables are manufactured using carefully graded aggregates and high-purity alumina, ensuring excellent resistance to heat, abrasion, and chemical attack. With consistent grain size distribution and controlled fines content, they offer superior workability, dense packing, and dependable installation results.
Available Grades
We offer four high-performance grades to meet varying temperature and operational requirements:
HAC 40 – Reliable performance for medium-temperature applications up to 1350 °C
HAC 52 – Enhanced alumina content for improved strength and durability up to 1450 °C
HAC 75 – High-purity solution for severe thermal conditions up to 1550 °C
HAC 80 – Premium ultra-high alumina castable for extreme service temperatures up to 1600 °C
Key Advantages
High alumina content for superior refractoriness
Excellent mechanical strength and thermal shock resistance
Uniform grain size (maximum 5 mm) for easy placement
Optimized fines content for dense, durable linings
Consistent quality suitable for professional refractory installations
Typical Applications
Industrial furnaces and kilns
Boiler linings and burner blocks
Ladles, incinerators, and hot gas ducts
Backup and working linings in high-temperature zones
Why Buy from LRL?
Trusted supplier of refractory materials in Sri Lanka
Consistent product quality and technical reliability
Competitive pricing for industrial and commercial clients
Local support and dependable supply availability