VENTAN PTS is phenolic pretanning agent for leathers to be tanned with vegetable extracts. In special cases also used as retanning agent for chrome leather.
Appearance : Yellow to light brown powder
% moisture content : 5.0 max.
Solubility in Water : Readily soluble in water giving clear solution.
pH of 10% solution : 3.0 - 4.0
• It accelerates penetration of vegetable tannins.
• Produces bleaching effect with mellow handle.
• It has medium astringency, tans hides readily and evenly to produce tight, smooth, undrawn grain with pale colour.
• When used as retanning agent for chrome leather, it produces firm, smooth & resilient grain character. It bleaches leather colour without affecting chrome leather character.
For Vegetable tanning : Recommended dosage is 3 - 5%.
For retanning chrome leathers : Recommended dosage is 1 - 2%
SHELF LIFE :
Minimum 12 months if stored in dry & cool place in closed container under normal conditions.