0 a type of brick that is not damaged by high temperatures and is therefore used when building things such as chimneys and fireplaces: --
The firebrick lining the iron tube was unable to withstand the heat of the reaction.
This stove used firebrick as a storage medium, solving the expansion and cracking problem.
Use of firebrick as a lining at the back suggest treatment for higher temperature there.
The ovens themselves are 12 ft in diameter, with sandstone exteriors and firebrick interiors.
The firebrick industry of the valley manufactured such products as clay tile, building and paving bricks and clay sewer pipe.
Its distinguishing feature was a firebrick wall two-thirds of the way down the furnace.
Firebricks are exempt, and the exemption extends to cast-iron grids, but grids for attaching to grates to prevent live coals from dropping out remain chargeable to tax.
If firebricks are being carried back, yes.
