an anionic neutral syntan based on nitrogen containing resin (melamine syntan) for retannage of all types of chrome leathers.
poptan fr6 is a spray dried, pale brown , free flowing anionic neutral syntan based on nitrogen containing resin ( melamine syntan)
poptan fr6 precipitates under acid conditions and this precipitate, in combination with colloidal and other softening agents, has a selective filling action which improves the more open structured areas of the leather.
poptan fr6 when used as a retannage for neutralized chrome stock results in a leather with a full fell, a tight flexible grain and uniform softness .
a tight and flat grain ideally suited to level dyeing and fatliquoring.
improved richness and fullness which it is required most.
excellent surface for past drying and subsequent buffing.
produces uniformly soft leather without additional fatliquoring.
storage : present no problem under normal storage conditions and has an indefinite shelf life . Some caking may occur if the product is stored in damp, warm conditions, but this does not detract from the efficiency of the product.