THE PRODUCT IS A HIGH PERFORMANCE PLASTIC OPTICAL FIBRE. IT HAS A CONCENTRIC DOUBLE-LAYER STRUCTURE WITH HIGH PURITY POLYMETHYL METHACRYLATE CORE AND A THIN LAYER OF TRANSPARENT FLUORINE POLYMER AS A CLADDING. IT IS PRIMARILLY USED IN LIGHTING, SIGNAGE AND DATA COMMUNICATION APPLICATIONS.

THIS OPTICAL FIBRE IS CLASSIFIED TO COMMODITY CODE 9001109090 IN ACCORDANCE WITH THE FOLLOWING : GENERAL INTERPRETATIVE RULES (GIRs) GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 9001. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL. HARMONISED SYSTEM EXPLANATORY NOTES (HSENs) THE HSENs TO HEADING 90.01 (A) "OPTICAL FIBRES AND OPTICAL FIBRE BUNDLES, AS WELL AS OPTICAL FIBRE CABLES OTHER THAN THOSE OF HEADING 85.44." "OPTICAL FIBRES CONSIST OF CONCENTRIC LAYERS OF GLASS OR PLASTICS OF DIFFERENT REFRACTIVE INDICES.THOSE DRAWN FROM GLASS HAVE A VERY THIN COATING OF PLASTICS, INVISIBLE TO THE NAKED EYE, WHICH RENDERS THE FIBRES LESS PRONE TO FRACTURE. OPTICAL FIBRES ARE USUALLY PRESENTED ON REELS AND MAY BE SEVERAL KILOMETRES IN LENGTH. THEY ARE USED TO MAKE OPTICAL FIBRE BUNDLES AND OPTICAL FIBRE CABLES."