TYSYNTAN P (Liq.) Pretanning agent for the Leather Industry PRODUCT PARTICULARLY RECOMMENDED FOR PRETANNING Chemical Composition phenol sulphonic acid condensate. Characteristics aspect : pale yellow clear liquid active matter : 45% min pH of 10% sol : 3.5 ± 0.5 solubility : readily soluble in water Properties Tysyntan P (liq.) is a pretanning agent of medium astringency, it tans hide readily with high bleaching effect. Tysyntan P (liq.) when used as a retanning agent for Chrome tanned leather, it imparts smoothness & firmness. Tysyntan P (liq.) when used as a pretanning agent gives light, smooth & undrawn grain. Tysyntan P (liq.) can be used for intermmediate treatment of Chrome tanned leather to minimises the astringency of Vegetable tannins. Tysyntan P (liq.) when used after neutralisation at pH 4.0-4.5 for intermidiate treatment, it increases buffability. Uses For Vegetable tanning 2-4 % Tysyntan P (liq.) requires for pretanning on delimed pelt.