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Plastic Blow Moulding Technique: An Overview

  Blow Moulding is a manufacturing process used to produce hollow plastic parts by inflating a heated plastic tube until it takes the shape of a Mould cavity. This method is particularly effective for creating products with consistent wall thickness and complex shapes. Developed in the mid-20th century, blow Moulding has become an integral part of many industries, including automotive, packaging, and agriculture. In agriculture, the process has seen significant advancements and is used for making various products, such as containers for pesticides, irrigation equipment, and even large tanks. This blog will explore the blow Moulding technique, its current practices, applications in agriculture, and future perspectives.     Blow Moulding Technique: Process and Variants   The blow Moulding process involves several steps:   1.        Parison Formation: A plastic tube, called a parison, is extruded. The parison is then pl...
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Polymer and Plastic

Polymeric materials consist of molecules of higher molecular weight, varying from 103 to 107. All polymer have recurring structural molecular units that comprises large molecules. Four major industries

1.       Plastic

2.       Fibre

3.       Rubber and

4.       Paint and Varnish.

Naturally occurring polymers are a) Cellulose b) Lignin C) Proteins and d) Resins and rubbers.

On account of their inherent advantage in properties and versatility in adaptation and use, Plastic have come to play vital role in variety of application in world over

Plastics are used in making essential consumers goods of daily use for common man such as Basket, water bottle, tiffin box, toothbrushes. They also find application in field like agriculture, automobile, transportation, engineering, electronics, defense, medicine and building construction. Plastic is growing importance in agriculture and waste management.

Plastic can also play major role in improving agricultural productivity through new techniques of plastic film use. They are extensively used in water management. The use of LDPE sheets for Canal and reservoir lining helps reduce seepage losses. Plastic piles and fitting find a place in drip irrigation.

Packaging is major outlet for plastic, By providing economic means for packaging. Plastic have role to play in reducing and the effective cost of basic items of consumption such as food grains, fruits, vegetables, edible oils milks sugars. Overall need for buck packaging as well as retail packaging will grow dramatically.

Sector wise use of plastic in India

                Sector

Percentage

Agriculture

23

Packaging

21

Electrical

15

Housewares

10

Footwear/fabrics

9

Building and construction

9

Other(Transport and medicine)

13

 

India’s demand for main commodity polymer (polypropylene, Polyethylene, polystyrene and PVC) has tripled every decade since 1960’s and reached 16.65 Mt/a in year 2021-22. India's polymer consumption will witness a growth of 6.4 per cent to 17.69 million tonnes in the financial year 2022-23.

The Union Finance Minister Nirmala Sitharaman has sanctioned  Rs 233.14 crore to the Department of Chemicals and Petrochemicals in the Union Budget 2021-22 to support Production-linked Incentive Scheme and in turns boost domestic manufacturing and exports.

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