Technical gelatins and animal glues are derived from collagen substances contained in the bones and skins of animals. Animal adhesives are odorless, hard, dry, sometimes transparent, and can range in color from light amber to dark brown.
Water-based mixture with adhesive properties for sticking metal flakes. The petals can be glued after one hour but before 12 hours. Before starting the application of the mixture, the surface should be insulated with diluted acrylic paint and smoothed after applying several layers.