COLOURED OR COLOURLESS FIBRES OF POLYAMIDE. WHICH FLUORESCE UNDER ULTRA VIOLET LIGHT. THESE ARE EITHER PRINTED OR DYED VARIOUS INVISIBLE BUT FLORESCENT COLOURS. THIS PRODUCT IS INCORATED INTO PULP PAPER AT PAPER MILLS TO PROVIDE AN IDENTIFICATION FEATURE FOR PROVING AUTHENTICITY OF DOCUMENTS. THIS SECURITY FEATURE IS KNOWN AS DUAL COLOUR OR MULTI COLOUR PLANCHETTE OR FIBRE. THEY CAN BE OF DIFFERENT SIZE. CIRCULAR, RECTANGULAR OR HEXAGONAL.

GIR 1 TERMS OF HEADING 5503 SYNTHETIC STAPLE FIBRES, NOT CARDED,COMBED OR OTHERWISE PROCESSED FOR SPINNING. CN CODE 55031090 OTHER THAN OF ARAMIDS.