Introduction

It is essentially a synthetinc mineral tanning agent containing chromium and aluminum complexed, naphthalein sulphonic acid being the base matrix. The preparation process of the product involves sulphonation of aromatic compound, followed by condensation, complexation and subsequent drying. It has potential use as a retanning agent. It can also be used as a self tanning agent. The product exhibits about 96% exhaustibility. It ensures rich and uniform dyeing and produces soft and full leather without loaded feel.

Machinery / Equipments: Glass lined reactors, boiler, spray drier, scrubber & filter

Raw Materials: Aromatic compounds, sulphuric acid, amino resins, aluminum salt, chromium salt

Status Of Commercialization : Yet to be licensed; Indian patent applied

Techno Economics: 3 tons per day, Optimum investments Rs. 700 00,000

For further information please contact:

Central Leather Research Institute (CLRI),
Director
Adyar
Chennai 600020
Tamil Nadu,
India