User:Patricelejeune/Old Brown Glue

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Old Brown Glue
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Old Brown Glue is a modified hide glue. It has been developed by W Patrick Edwards at Antique Refinishers Inc for his own use first. This product follows a European tradition. By adding Urea to the glue and raising its moisture content the hide glue as a much longer open time while keeping the hide glue characteristic.


 * Reversible Bond
 * Transparency to dyes and stains
 * No armful vapors
 * Strength

It as been on the market for a decade now and as become a standard liquid hide glue in the US for woodworkers and for luthiers wishing to use hide glue in a simpler form than the hot hide glue.

How is it used
This particular Liquid Hide Glue still need to be warmed. The bottled has to be put in a hot tape water bath (no thinning) until it is fluid, then use as any other liquid glue. The clamping needs 12 hours to cure, in many case overnight seems to be fine, Complete bond is reach after 24 hours.

Special use
In the veneered furniture restoration world this kind of glue is used to re-moisturize the existing protein glue which as started to fail. The process is described in this article under Current Trends in Conservation of Marquetry Surfaces.

Old Brown Glue as also been reported to have been used as a sealer for finishing following the british method, but please note we have no source to verify this information.