SIC Industry Description

Industry: 3297—Nonclay Refractories
Establishments primarily engaged in manufacturing refractories and crucibles made of materials other than clay. This industry includes establishments primarily engaged in manufacturing all graphite refractories, whether of carbon bond or ceramic bond. Establishments primarily engaged in manufacturing clay refractories are classified in Industry 3255.

Alumina fused refractoriesHigh temperature mortar, nonclay
Brick, bauxiteHot top refractories, nonclay
Brick, carbonNonclay refractories
Brick, refractory: chrome, magnesite, silica, and other nonclayPlastics refractories, nonclay
Brick, silicon carbidePyrolytic graphite
Castable refractories, nonclayRamming mixes, nonclay
Cement, magnesiaRefractories, castable: nonclay
Cement: high temperature, refractory (nonclay)Refractories, graphite: carbon bond or ceramic bond
Crucibles: graphite, magnesite, chrome, silica, or other non-clayRefractory cement, nonclay
Cunning mixes, nonclayRetorts, graphite
Dolomite and dolomite-magnesite brick
Codes TitlesTotal Marketable US Businesses
3297Nonclay Refractories199
329700Nonclay refractories105
32970000Nonclay refractories105
329701Brick refractories14
32970100Brick refractories9
32970101Brick, bauxite1
32970102Brick, carbon4
329702Cement refractories28
32970200Cement refractories7
32970201Cement refractories, nonclay4
32970202Cement, magnesia1
32970203Cement: high temperature, refractory (nonclay)16
329703Heat resistant mixtures11
32970300Heat resistant mixtures4
32970301Dolomite or dolomite-magnesite brick and shapes4
32970302Gunning mixes, nonclay0
32970303High temperature mortar, nonclay3
32970304Pyrolytic graphite0
32970305Ramming mixes, nonclay0
329799Nonclay refractories, nec41
32979901Alumina fused refractories4
32979902Castable refractories, nonclay12
32979903Crucibles: graphite, magnesite, chrome, silica,other nonclay3
32979904Graphite refractories: carbon bond or ceramic bond21
32979905Hot top refractories, nonclay1