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Gluing wet hardwood using GluGreen

09 Sep 2014

How can you glue wet hardwood in a firm and durable way? Four timber suppliers put such a question to TNO, for good reason: with the huge trees of the tropical rainforest becoming ever scarcer, the need is increasing to utilise smaller pieces of hardwood. Thorough research and testing generated the GluGreen technology. Good for timber processors and better for the forest.

GluGreen is based on the principle of finger jointing whereby the edges of the wood elements that have to be sealed are grooved to provide a good fit. This not only expands the surface on which the glue can be applied but also, in turn, produces better adhesion. Finger jointing with dried wood is a well known technique but finger jointing with wood that has not yet dried is an innovation that leads to more efficient timber processing.

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