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CASHEW 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. 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. It is called CASHEW NUT SHELL LIQUID or CNSL. Which is the pericarp fluid of the Cashew Nut. It is often considered as the better and cheaper material for unsaturated phenols.
CNSL is mostly composed of anacardic acids (70%), cardol (18%) and cardanol (5%).
Chemical & water resistance
Low evaporation coefficient
Made with supreme grade material
Good electrical resistance
Better water repellence
Compatibility with other polymers
Solubility in Organic Solvents
Specific Gravity 300 C : 0.950 - 0.970
Viscosity 300 C in centipoises : 200 max.
Moisture by weight : 1.0
Matter insoluble in toluene weight :1.0
Loss in weight on heating : 2
Ash % by weight : 1.0
Iodine Value : (min.)
a) Wij?????s Method : 250
b) catalytic method : 375
a) Time in Minutes : 4
Cashew Nut Shell Liquid (CNSL) is the one of the largest, readily available, renewable resources of phenolic liquids in the world.
CNSL oil is a mild purgative and is used in the treatment of hook worm.It is also used for the treatment of cracks on soles of feet, warts, corns and leprous sores.
Anti-termite treatment of timber
Constituents of CNSL possess special structural features for transformation into specialty chemicals and high value polymers.
CNSL can be used in polymer applications and has been identified for its pharmacological activity