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  • Cashew nut shell liquid is a by-product of the cashew industry. The shell of the nut contains a dark reddish brown viscous liquid. It is called the cashew nut shell liquid
  • The CSNL content of the raw nut varies between 20 and 25 percent.
  • There are more than 200 patents for its industrial application, in particular, its use as raw material for phenolic resins and friction powder for the automotive industry
  • Cashew nut shell liquid (CNSL) consists  unsaturated phenolic compounds, anacardic acid (90%) and cardol (10%) with minor amounts of 2-methyl cardol.
  • Three different methods used in extracting cashew nut shell liquid from cashew nuts are mechanical, roasting and solvent extraction. The processes used are mainly hot-oil and roasting in which the CNSL oozes out from the shell.
  • CNSL finds a wide array of applications such as friction linings, paints & varnishes, laminating resins, rubber compounding resins, cashew cements, polyurethane based polymers, surfactants, foundry chemicals and intermediates for chemical industry.
  • CNSL exhibits potent antibacterial activity against Gram-positive bacteria and weak antifungal activity against molds. Traditionally it is to treat such scurvy, sores, warts, ringworm and psoriasis. It could be a source of new antimicrobial agents, especially for use in foods and cosmetics.
  • The production potential for the product is very high. The total production of raw cashew nut in the country could be as much as 2 lakh tonnes and at 10% recovery by weight, the production potential for C.N.S.L is as much as 20,000 tonnes.
  • The use of this oil by indigenous industry is at present limited, however an upward trend has been noticed. U.K. USA and Japan were the large scale buyers of this commodity until recently but due to changes in technology, UK and USA have stopped buying this product from India. At present, Japan and Republic of Korea buy a sizeable quantity of this commodity from India.
  • Cashew nut processing industries are one of the promising sectors producing valuable commodity exported to Gulf, European and Western countries.
  • India has the potential to produce about 150,000 tonnes of CSNL a year. But only 45000 tonnes of CSNL are currently produced
  • The production in India is limited to Karnataka, Goa, South Arcot & Kanyakumari districts in Tamil Nadu and Kollam in Kerala.
  • Technology is very well established and is available from Machinery suppliers
  • After extracting the CNSL, the cashew nut shells can be burned to provide heat for the decorticating operation or can be used in the manufacture of agglomerates. Together with the testa, it may be used either in the manufacture of dyestuff or to provide durability to hammocks and fishing lines.
  • Investment:
    Medium – High investment. (Investment in Plant and Machinery is in the range of $ 50000 - $150000 depending upon the capacity
  • The main markets for CNSL are the United States, the European Union (mainly the United Kingdom)Japan and the Republic of Korea. Together these account for over ninety percent of world trade, most of which is supplied by India and Brazil.
General Information
  • Cashew nut
  • Cashew Nut Shell Liquid
  • Cashew
  • Cashew Nut Shell Liquid of Usibras
  • Echo Technical Note for Cashew

Consultants

  • CWA
  • University of Bath
  • Professor H. D. Gunawardhana
  • The Science Advisory Board
  • Srilanka Cashew Corporation

Company Profile

  • Achal Industries
  • Cardolite
  • The Karnataka Cashew Manufacturers Association
  • Satya Cashew Chemicals
  • Sai Chemicals
  • Palmer International

Production & Processing

  • Test Plan for Cashewnut Shell Liquid
  • Cashew Processing
  • Process of Purification of Cashewnut Shell Liquid
  • Cashewnut Processing
  • Cashew Nut Processing overview
  • Extraction of Polyphenols from Cashew Nut Shell

Applications

  • Utilisation of Cashew Nut Shell Liquid from Anacardium occidentale as Starting Material for Organic Synthesis
  • Cashew nut shell liquid as Natural Resin
  • Antioxidant Activity of Cashew Nut Shell Liquid (CNSL) Derivatives on the
    Thermal Oxidation of Synthetic cis-1,4-Polyisoprene
  • Evaluation of Copperised cashewnut shell liquid and neem oil as wood preservatives
  • Cashew nut with brakes and clutches
  • Compositions, Functions, and Testing of Friction Brake Materials and Their Additives
  • Uses of cashew
  • Finishing and surfacing

Project

  • Cashew Nut Shell Liquid (CNSL)
  • Processing of Cashew Nut Shell Liquid (Mozambique)
  • Parchem’s extensive product
  • Tanga Cashew Project
  • CSNL

Product & Technology

  • Cashew Nut Shell Liquid Resins
  • Biobased Manufacture of Alkenyl Phenolics and Polysaccharide Feedstocks from Cashew Nut with Supercritical Water and Carbon Dioxide Processing
  • Processability Characteristics and Thermal Stability of Blends of LDPE and EVA Copolymer Modified with Phosphorylated Cashew Nut Shell Liquid Prepolymer
  • Diesel Oil from Cashew Nut Shell Liquid
  • Melt-rheology of Natural Rubber Modified with Phosphorylated
    Cashew Nut Shell Liquid Prepolymer- A Comparative Study with Spindle Oil
  • Preparation Of Insulation Varnish From Cashew Nut Shell Liquid (CNSL) Based Resin

Material Safety Data Sheet

  • Epoxy Hardener AP1041
  • Luclid Dataset
  • The National Industrial Chemicals Notification and Assessment Scheme
  • Speciality Polymer Coatings  
Patent
  • The Process for the preparation of calcium phenate detergents from cashew nut shell liquid
  • The process for preparing rust inhibitors from cashew nut shell liquid
  • Treatment of cashew nut shell liquid
  • Process of preparation of novel mannich bases from hydrogenated and distilled cashew nut shell liquid
  • Process of preparing multi-functional amino di(alkylcyclohexyl) phosphordithioate additive for lubricant composition from saturated cashew nut shell liquid
  • Process for preparing polyurethane polyol and rigid foams therefrom
  • Method of Modifying Components Present in Cashew nut shell liquid
  • Multifunctional additives from cashew nut shell liquid
  • Thermally stable phosphorothionates as antioxidant, antiwear, friction, reducing and extreme pressure lubricant additives from cashew nut shell liquid
  • Roasted coated nut product and process therefor

Machinery

  • Cashew processing machineries of international standards
  • Apna Group of Companies
  • Biomass Combustion Chamber for Cashew Nut Industry

Plant

  • Cardolite Corporation Plant
  • National Institute of Industrial Research Plant
  • Muskaan Tradex Pvt. Ltd
  • Invitation to bid for the Sale of Storage Facilities of Cashewnut  Processing Factories
  • Cashew Nut Processing plant
  • Golden Products

Market

  • Biomass Combustion Chamber for Cashew Nut Industry
  • Cashew exports
  • Export and Import
  • Trends of the Indonesian Cashew Nut Commodity
  • Cashew exports drop on competition from Vietnam

Report

  • Indonesian Traditional Knowledge Management
  • Comments on Test Plan for Cashew Nut Shell Liquid
  • Cashew
  • Human Health Endpoints
  • The Mozambique Cashew Nut Case
  • Cashew nut processing industries report
  • Cashew Pricing Policy and Exports Taxation
  • Philippines Country Report Year2
  • Constraints and Challenges in a Global Environment
  • Novel Thermally Stable Polymers From a Renewable Resource
  • The Office of Pollution Prevention and Toxics

Equipment Suppliers

  • Dryers
  • Electric Motors - UK suppliers
  • Oil Expellers
  • Goldtech Scales Machines
  • MS Tanks
  • Electric Motors
  • Roaster
  • Reeja Brand Cashewnut Decorticator

Suppliers

  • Alpha Bond Enterprise
  • Senator Trading
  • Gayathiri Anticorrosive lining
  • Canopus Trade Links Pvt. Ltd.
  • Indian Exporters, Manufacturers & Suppliers
  • Kumaraswamy Chemicals
  • Cashew Nut Shell Liquid Suppliers
  • N.S. Phadnis Exporters
  • Pratipa Cashews
  • Exporters of Cashew Kernels
  • Selling Leads of Cashewnut Shell Liquid
  • Star Asia Group
  • Exporters of Agriculture & Food Products

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