Impregnation

May 24th, 2017

The  impregnation or injection of wood are treatments to preserve the wood and make it durable.  This process will also be used to make furniture fire resistant, protect against shrinkage, or make it stain proof.

This treatment ensures the long-term preservation of poles of coniferous wood i.e. softwood trees that have needles, rather than leaves.  The timber is soaked for a long period in open vats of hot liquid, where the poles are left until the liquid cools down.

Alternatively, wood can be treated in an autoclave, through a vacuum, or under pressure.  Wood can be deeply impregnated often with thermosetting plastics or molten metal. Impregnation with thermosetting plastics (e.g. amino-resins or phenolic resins) is often applied to very thin veneers that are built up into laminated wood, but not to solid wood.

Last Modified / Updated on: March 17, 2017 at 4:25 pm

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    The impregnation or injection of wood are treatments to preserve the wood and make it durable.

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