PREPARATION OF GLUE OR GELATINE

**Definition:** This place covers:

Pre-treatment of collagen-containing raw materials for the manufacture of glue or gelatine from raw materials, e.g. by extracting or by heating.

Stabilisation of solutions of glue or gelatine.

Preparation of water-insoluble gelatine.

Drying of glue or gelatine.

Glue or gelatine products per se resulting from the above-mentioned methods, e.g. stabilized or granular gelatine, if no o

ther group for the produced compound exists.

**Limiting references (this place does not cover):** - Defatting bones -> C11B - Chemical treatment of hides, skins or leather, e.g. recovery of tanning agents -> C14C