Introduction

The extract is manufactured from individual as well as blended vegetable tanning materials. The process involves size reduction of the tannin bearing materials, aqueous extraction, concentration and spray drying. The use of this product is an eco-friendly option for leather tanning

Industry classification

Primary : Leather Chemical
Secondary : Chemical & Allied Products

Product type :Industrial

Manufacturing

a) process used

Primary : Size reduction, leaching, concentration,
bleaching, spray drying
Secondary : Drying

b) Major machinery used :Stainless steel simulated counter current leaching system, triple effect evaporator, finisher, spray drier, crusher, bleaching vessel, boiler, conveyor, electrical hoists

Status :Licensed

i) Year first Licensed :1970
ii) No. Of License : 10 (Polson Ltd., Kolhapur, Tan India Wattle Extracts Co. Ltd, Mettapalayan, Shri Lakshmi Chemicals & Industries, Kharagpur, Kalpana Tanning materials, Vizayanagaram, Kerala State Cashew Development Corpn.Tannin Extracts Divn, Quilon, Bihar State Tannin Extracts Ltd., Patna, Rallis India Ltd, Madras, Laxmi Starch ltd., Quilon, Myrab Extract (India) Pvt. Ltd., Berhampur (Orissa), Dayanithi Tannin Extracts (East Godavari Dist., A.P.)
iii) Whether in Production : Yes

Economic Information:

Minimum Economic size: 16 tonnes per day
Optimum Investment : Rs. 2000 lakhs

Major Raw Materials Required :Tanniferrous plant materials like wattle, myrobalan, avaram etc

Contact for more information:

Director,
Central Leather Research Institute (CLRI),
Chennai -600 020, India