refractario2

² = fireproof [fire-proof], fireproofing, refractory, heat-resistant.

Ex. We designed a secure -- and we will build it eventually -- computer room that was fireproof, tornado proof, and would take a hit from a single engine craft.

Ex. Locate records of patents assigned to the Celenese company for fireproofing substances.

Ex. Refractory metals and alloys are extraordinarily resistant to heat, wear, and corrosion.

Ex. Refractory clay is slightly better but you do not need heat-resistant material for claying a forge.

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* arcilla refractaria = refractory clay, fireclay.

* ladrillo refractario = firebrick, fireclay brick, fireproof brick.