Details: preform 500ml (13.5gms) technical specificationsthe alaska 27 mm neck pet performs for 500 ml bottles should strictly conform to the specificationsmentioned in this annexure iv.the preforms should be made from krauss maffei or husky or asb machine only.raw material: polyethylene terepthalate resin with iv 0.80 +/- 0.02the preforms should be meeting the requirement stipulated in bis standards; 12252: 198712229: 1987 as suitable for packing mineral water / food stuff. overall migration should be asper is - 14543: 2004.weight: 13.5 gms ± 0.3 gmsneck: alaska, 27 mm, three start threadcolor of preform: clearlength: 75 mm to 85 mmpreforms should be free from foreign or black particles. flashes are not acceptable.fused preforms: preforms should not be stuck together.crystallinity: crystallinity in the end of the preform shall not exceed more than 10 mm from the gate.bubbles are not acceptable. scratches should not be visible to the eye.acetaldehyde content: < 4 ppmthe product should be in
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