Product Description

Firelen“FIRELEN” is a composite refractory material developed by our company as a world first, containing 75% – 80% Si3N4 content and 12% – 17% free iron content.


“FIRELEN” comes in fine powder or granular form, and is a nitrogen compound with a small thermal expansion ratio and excellent thermal conductivity; thus enhancing anti-spalling performance/anticorrosiveness.


Indispensable as a trough material for blast furnaces and blast furnace taphole mixes (mud), and in addition, is also suited to nitrogen additive for steel making, abrasives, etc.


Please contact for any inquiry.