Pet Preform

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Manufacturing of PET preforms



Prepared by:

Kerala State Industrial Development Corporation Ltd.

September 2012

Manufacturing of PET preforms


INTRODUCTION The basic technical and financial parameters of a project on the manufacture PET preforms by injection moulding PET bottle grade resin are described in this profile. This is the first stage in the two stage PET bottle manufacturing process suitable for large scale production and here the pet preform is molded on an injection moulding machine, then in the second stage the preform is reheated and blown on a blow moulding machine. The advantages of PET bottles include exceptional clarity, pure, safe, good barrier to oxygen, carbon dioxide and water, lightweight and therefore less shipping costs, no leakage, design flexibility, recyclable, long shelf life, good chemical resistance etc. MARKET The consumption of PET bottles is increasing on account of new customers being created for bottled beverages as well as an increasing number of products being replaced with PET bottles. The per capita consumption of PET is very low in India at 0.3 kg vis-à-vis the global average of 2 kg. This shows that there is a significant growth opportunity for PET bottles in India. In 2010, the PET resin demand was 5 lakh tpa and the demand has been growing at 7.5% per annum. In the bottled water industry itself there is a great demand for PET bottles. PET preforms can be used for Packaging of Mineral Water, Juices, Liquor, Soda, Sparkling Drinks, Edible Oil, Pharma Products, Pickles, Squashes, FMCG Products etc. MANUFACTURING PROCESS PET granules received from suppliers are dried in a dehumidifier. The PET granules are then mixed with colorants. Then the material is fed into the injection moulding hopper. The material is plasticized and is injection moulded in a mould which can produce 12-72 preforms in...
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