Best Glue For Bent Laminations

Types of glue for laminating.
Best glue for bent laminations. Gary herber langley none. Standard wood glue is not the best choice for bent laminations. I haven t tried unibond but i imagine it would be. Then put against the original form.
The glue lines from jumping out. It is also prone to glue creep a phenomenon in which the cured glue creeps out of the laminations over time resulting in unsightly raised glue lines. 10 layers 1 8 at about 5 radius after the glue had cured for 24 hours on the form the parts were laid aside for at least a week. I am a banjo builder and make 11 diameter circular three ply steam bent laminations that are 5 8 thick total.
Because bent laminations are under constant stress they require glue that sets hard. While resorcinol has a. There isn t one adhesive ideal for every application. What type of glue should i use.
Best glue for bent laminations. The term laminating can apply to three different procedures. Quite a while back i did a series of glue tests on bent laminations. I am interested in making bent laminations for furniture.
Of these four glues urea resin and resorcinol achieve the most rigid glue line when cured. The first is the one woodworkers use to glue together planks of wood to form a wide surface for a. Each lamination has a scarf joint. I have found the best adhesive for this to be the urea kind and i use ultra cat which can be lightened to maple color with an additive.
The wood used was hard maple one of the more difficult from both the glue adhesion and bending stiffness.