Bone Glue is derived from animalistic bones (glutin glue). He is more brittle than skin- or rabbit glue. Used as binder for chalk and bole grounds. Bone Glue is available in pearl-form.
Bone Glue must be mixed and stired in cold water respectively macerate. After complete maceration (approx. 24 hours), the glue must be dissolved in a water bath at appr. 60°C.