AMMONIA WOOD FUMING CHAMBERS

WIDELY USED IN WOOD INDUSTRY

2 UNITS WORKING SUCCESSFULLY AT SUPERWOOD INDUSTRIES

Ammonia fuming is a wood finishing process that darkens wood and brings out the grain pattern. It consists of exposing the wood to fumes from a strong aqueous solution of ammonium hydroxide which reacts with the tannins in the wood. Fumed oak is also called smoked oak.

PROCESS

The wood to be fumed is placed in a sealed chamber with all the surfaces to be fumed exposed to freely circulating air. A large shallow container of ammonium hydroxide solution is placed on the floor of the chamber and the chamber is sealed. If the chamber is large or the fuming is to be done for a long time, more than one container may be provided, or the ammonia may be replenished during the process. The fuming time depends on the amount of darkening required, the size of the chamber, and the strength of the ammonia used.

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