![]() ![]() By using expellers for extraction, it is possible to extract a further quantity of about 10% more from the shells. In the oil bath process about 10% of oil is recovered as a by-product. ![]() Raw Cashew nut shell contains over 20% CNSL. It offers much scope and varied opportunities for the development of other tailor - made polymers. It is also added to rubber gum stock or nit rile rubber to improve the processability, mechanical properties and resistance to crack and cut properties of the vulcanisates.ĬNSL has innumerable applications in polymer based industries such as friction linings, paints and varnishes, laminating resins, rubber compounding resins, cashew cements, polyurethane based polymers, surfactants, epoxy resins, foundry chemicals and intermediates for chemical industry. CNSL and its derivatives have been used as antioxidants, plasticizers and processing aids for rubber compounds, modifiers for plastic materials and used to provide oxidative resistance sulphur-cured natural rubber products. Various polyamines synthesized from CNSL are used s curing agents for epoxy resins. It offers much scope and varied opportunities for the development of other tailor-made polymers.Ĭashew Nut Shell Liquid undergoes all the conventional reactions of phenols, CNSL aldehyde condensation products and CNSL based phenolic resins are used in applications such as surface coatings, adhesives. ![]() It is often considered as the better and cheaper material for unsaturated phenols.ĬNSL has innumerable applications, such as friction linings, paints, laminating resins, rubber compounding resins, cashew cements, polyurethane based polymers, surfactants, epoxy resins, foundry chemicals, and intermediates for chemical industry. Which is the pericarp fluid of the Cashew Nut. It is called CASHEW NUT SHELL LIQUID or CNSL. The nut has a shell of about 1/8 inch thickness inside which is a soft honey comb structure containing a dark reddish brown viscous liquid. Manufacturing of Cashew Nut Shell Liquid or CNSL or Cashew Shell Oil or CNSL OilĬASHEW NUT SHELL LIQUID or CNSL or Cashew Nut Oil or Cashew Shell Oil or CNSL Oil is a versatile by product of the Cashew industry. ![]()
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