VENTAN AMS is amphoteric replacement syntan for use in leather industry.
Appearance : Pale yellow coloured powder
% moisture content : 5.0 max.
Solubility : Freely soluble in water giving clear to slightly hazy soln.
pH of 10% solution : 3.0 - 4.0
• It being amphoteric, can be used at both lower and higher pH.
• It gives good softness and fullness without loading the leather.
• It improves the evenness of the milling grain.
• Its use in retanning facilitates brilliant dyeing shades.
• It can be used in combination with synthetic, vegetable and chrome tanning agents.
The recommended dosage is 2 - 3 %, on shaved wt., for upper leathers in Rechroming.
The recommended dosage is 6-8 %, on shaved, for furniture leather.
The recommended dosage is 4 - 8 %, on shaved wt., for sheep & goat garment nappa leather.
SHELF LIFE :
Minimum 12 months if stored in dry & cool place in closed container under normal conditions.