Application and operating zones

High-grade refractory products and castables requiring thermal-shock resistance and flexural strength.

02 / TYPICAL DATA

Technical specifications

JTA

PropertyTypical value

Al₂O₃99.5%

Apparent porosity5.0%

Water absorption1.5%

GRADE COMPARISON

Grades and technical properties

For each shipment, composition, geometry, and guaranteed properties are fixed in the specification and batch quality certificate.

Grade	Al₂O₃	SiO₂	Na₂O	Magnetic Fe	Bulk density	Particle size
JTA Aggregate	99.5%	0.09%	0.40%	0.02%	3.50 g/cm³	3-6 / 1-3 / 0-1 mm
JTA Fine	99.5%	0.15%	0.40%	0.02%	-	325/200 mesh

Properties are shown as typical values. The operating grade and guaranteed values are selected for the service conditions and fixed in the supply specification.

SK-32 / SK-35

Shaped refractories4 grades

Fireclay brick

Coke and glass furnaces, cement and lime rotary kilns, incinerators, reheating and general industrial furnaces.

SK-36 / SK-40

Shaped refractories4 grades

High alumina brick

Cement and lime kilns, non-ferrous furnaces, incinerators, ladles and high-temperature industrial furnaces.

JC-30 / DN-12

Shaped refractories5 grades

Special fireclay brick

Reheating, rotary, glass and non-ferrous furnaces, incinerators and general industrial units.