C.N.S.L. 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...
CNSL can be extracted by the expeller method but the oil has to be heated after extraction to convert anacardic acid to car- danol . The expelled and heated CNSL will have less amount of polymerised CNSL...