TAN FG is a modified gambier extract belonging to the group of catechol tannins. PHYSICAL & CHEMICAL PROPERTIES : Appearance : Beige /BROWN colour spray dried powder pH of 10% solution : 4.5 – 5.0 Total solids : 93% Tannins : 60% +2 Non Tannin : 22% +2 CHARACTERISTICS : tan FG combines rapidly with the proteins of the skin in order to give plumped, supple tannage and fine grain with mellow touch. tan FG improves the retannage of the flanks if it is used in combination with resins. tan FG facilitates the buffing of chrome leathers and gives a perfect glazing in the case of glazed kids. tan FG is a great dyeing auxiliary either as mordant before dyeing or levelling agent on leathers and skins of dark shades. It is recommended for the production of chrome/vegetable or vegetable lining leather. APPLICATIONS : - Retannage of chrome leathers and skins. - Mordanting before dyeing in order to soften and slightly plump the grain. - Retannage of vegetable or chrome/vegetable lining leather. - Retannage of moderately supple leathers. STORAGE : tan FG maintains its characteristics unchanged if properly stored in dry premises protected from sunlight in closed bags.