POPTAN DI is a synthetic replacement tanning agent. It can be used for both self tannage and combination tannage in conjunction with vegetable tannins. It is also suitable for retaaning chrome leather and for getting a very pale coloured light fast tannage.
Nature : Phenol-naphthol condensation product. Concentration : 96-98% Tans : 70-72% pH ( 1:10 soln.) : 3.0- 3.3
POPTAN DI is particularly recommended for full and tight retannages on goat, sheep and cow softy uppers, and for the retanning of chrome upper leathers where fullness without looseness is required. POPTAN DI is used as a main retanning agent for dry milled leathers to achieve uniform break throughout the area of skin or hide. . Good nap can be obtained in suedes and buffing properties for correct grain side leather is good. . Imparts good, uniform dyeing on uppers and suedes when Poptan DI is used in retanning. . Ensures good dispersion of vegetable and resin tanning materials in cow, buffalo uppers and uniform penetration of all the products are achieved.
Although storage life is unlimited particular care should be taken to ensure that the product is stored dry. Some caking may occur, if the product is stored in damp, warm coriditions, but thas does not affect the efficiency of the product.