Fine tara powder Character-stics of curtan-150: Physical aspect beige color fine powder Granulometry mesh 150 (90% passing through mesh 150) Tanning matters 55% +/- 2.5 Ph (10% solution) 3.5 +/- 1.0 Moisture content max. 12 The product curtan-150 is soluble in water and posses natural acidity that permits a very good tanning stability for the transformation of the previously prepared skin material into leather. Curtan-150 can also be used along with other vegetable and synthetic tanning agents. In case of interest, we can attend requirements for june/july 2006 shipment at usd 1130 per mt fob callao port peru ; in lots of 21 mts, packed in 25 kg new polypropylene bags, in 20 ft. Containers.