Gum tragacanth or arabic is used to smooth and shine the edges of natural leathers or colored leathers that have been vegetable tanned . In addition to waterproofing the edge, gum tragacanth or arabic will give an antique appearance to the edges of the leather.
HOW TO APPLY GUM TRAGACANTH TO THE EDGE OF LEATHER?
- Using a brush or dye applicator, apply the gum to the edge of the vegetable tanned leather.
- Wait a few moments, then rub the rim briskly with a cloth or burnisher.
- Repeat the operation until you obtain the desired smoothness.
HOW IS TRAGACANTH GUM OBTAINED?
Tragacanth gum is obtained from the sap of a shrub species in the Astragalus family.
HOW IS GUM ARABIC OBTAINED?
Gum arabic is obtained from the sap of Acacia species.
WHAT IS THE DIFFERENCE BETWEEN GUM TRAGACANTH AND ARABIC?
Gum arabic and tragacanth are obtained by the same process but are not derived from the same sap . Unlike gum tragacanth, gum arabic is soluble in water : this explains why the gum is much more liquid. Both gums are applied in the same way, gum arabic gives a slightly darker result. 
HOW TO COLOR GUM TRAGACANTH OR ARABIC?
It is possible to color tragacanth gum with water-based dye (see video). You can vary the intensity of the color by adding a greater or lesser amount of dye (do several tests beforehand).
CAN YOU APPLY GUM TO THE LEATHER CRUST?
Yes, this will help bond the leather fibers (prevent pilling). Perfect for working on the crust side of belts. This technique can also be used on mineral-tanned leathers.
WHAT IS THE DIFFERENCE WITH TOKONOLE?
We invite you to consult the guide on Japanese finishing eraser to learn more.
HOW TO WORK SLICES WITH SLICE PAINT?
We invite you to consult the guide on working leather slices hot and cold (mineral or vegetable tanning).
