PET a Very Crucial Raw Material For Packaging



PET has been in use from quite a long time, but recent years showed a great surge in the demand worldwide. Easy availability of the PET material has a great emphasis on packaging due to high-quality production with reduced costs. According to a forecast from Smithers Pira, there will be a sustained annual growth of 4.6 per cent year-on-year basis in the next five years. It is a phenomenal increase from any scale. Other than established economies, transitional and emerging ones become prominent players in the marketplace.

Sustainable growth would take the demand for PET packaging material to new heights

The increasing importance of attractive packaging and personal hygiene are major reasons behind the increase. A large number of PET bottles for wines, spirits, pharmaceuticals, and dairy products are needed due to their reliability and sturdiness.

Market reports say that the worldwide market will show a gigantic increase to $60 Million from the current figures of 48 Million with an annual growth rate of 4.6 per cent approximate. With a sustained growth, it will open new horizons in the coming five years.  Consumption in tones expected to reach 20 Million tonnes in the aforesaid period.

Reasons for such an overwhelming performance

Experts say that the trends were indicating a fantastic future in 2010 when PET bottles gained worldwide popularity due to easy handling, durability, convenience, and cost-effectiveness. Being incredibly lightweight they are ideal for on-the-go utilization. There were various reasons behind it:

1. Due to the popularity of bottled water, ready-to-drink beverages, soft drinks, and juices there was a need for good quality durable packaging material PET emerged as the best alternative.

2. Household cleaning products and pharmaceuticals replaced conventional packaging material with PET. It is a cost-effective and convenient alternative.

As per data, around 12.5 million tonnes of total 15.4 million tonnes were contributed by PET bottles. Bottles water contributed for 5.45 million tonnes and 5.17 million tonnes by carbonated water. Experts say that the timid performance by the latter is triggered by increasing awareness about the harmful effects of sweetened drinks.

Glass-Vs-Plastic

Among other important sectors in the packaging industry, non-food packaging demonstrated a phenomenal increase of 4.4 per cent and thermoforming packaging recorded 4.7 per cent.  Thus, the fastest growth has been shown by packaged water.

Future seems to be further promising

Well-known brand owners and packaging experts are quite confident that the future is further promising for this industry. With new technology, it is possible for reducing the weight of PET bottles further. It will result in further cost-effective products. Since PET bottles share more than 80 per cent of the overall sales, it is going to be a great impact on the business. Experts predict that the bottled water is going to rock in the next five years with a consistent volume growth of 6% whereas pharmaceutical and other drinks are expected to touch the 5% mark.

Who will be the market drivers?

It is sure that the developing markets will steal the show irrespective of geography. In the last five years, Asia Pacific has left Western Europe and North America far behind. In fact, it has become the largest regional market in the aforesaid period. Global recession did not affect this region as badly as North America or Western Europe. Hence, the total share was 31% by the Asia Pacific in the last five years. Future trends indicate that it will show the same increase.

PET Consumption in Asia and other continents

PET is a versatile resin used for a wide variety of applications like food packaging, bottling, films and many more. PBT is another type of thermoplastic that is useful in electronic goods, electrical appliances, automotive parts and consumer products. There has been a phenomenal increase in the demand for PBT and PET in the last few years. Estimates show that from 2014 to 2019, there will be a steady growth of more than 7 per cent worldwide. These figures are based on the overall consumption of both types of resins.  These calculations are based on Five Forces model of Porter that takes into account the current industry trends, value chain analysis, and the top players that contribute to the consumption.

Among various contributing factors for the significant increase in the consumption of PET and PBT, some are prominent ones. Increasing the use of industrial plastic in place of metal, the surge in the use of electrical and electronic applications, emerging economies, are to name a few. Replacement of synthetic PBT with bio-based PBT and reduction in halogen content are also other important drivers. Population growth, urbanization increase, the rise in consumption of FMCG are equally responsible for the growth. There was stagnancy in economies of North America and Europe, but the increase in Asian economy shifted the focus from developed countries to developing countries.

Companies that produce PET resin focus keenly on the expansion and trying to achieve a competitive edge by enhancing efficiency.  Being a dynamic market, it is essential that customer handling takes paramount importance.  All top players spent considerably on R&D and expansions in order to bridge the gap between demand and supply. Out of all marketplaces, Asia-Pacific emerges as one of the greatest driving force behind the increase of PET and PBT consumption.

1. China comes out to be the frontrunner in the consumption of both resins due to the rise in demand by automotive and electronic sectors.

2. India, Brazil, Germany are the other big players.

3. Asia-Pacific consumes 38% PET and 54% PBT of the overall consumption. They are quite impressive.

4. A lot of mergers, acquisitions and agreements happened in last few years making it a dynamic and vibrant marketplace.

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Substituting HDPE Handle Jars With PET Handle Bottles



HDPE and PET are two popular types of plastics. They are useful for manufacturing a wide variety of products for industrial and domestic usage. Both have various qualities common, but PET has some distinct advantages that make it more suitable raw material.

What is PET?

Polyethylene Terephthalate or PET is another popular type of plastic. It is tough, shatterproof and clear. PET is an excellent barrier for gases (including Oxygen and Carbon-di-oxide) and water that make it the best material for carbonated drinks, foodstuff and milk. PET is one of the most widely used raw materials in the food industry. PET is useful in manufacturing a variety of food jars, containers and refill packs, serving trays, packaging material, industrial components, parts etc. It has been approved by food and safety authorities based on extensive toxicity studies. However, reusing of PET seems to have toxicity issues. Hence, it is recommended that PET should be recycled after single use.

Multiple times recycling of PET is possible. Also, the recycling process saves energy and helps in reducing the emission of toxic gases. It creates various domestic jobs for small and medium industries who manufacture products using it. There are various forms of a recycled PET like the fiberfill, strapping, fibre, thermoformed packaging, food or non-food bottles, trays and takeaway containers, etc.

It is a thermoplastic polymer resin of the polyester family, formed by combining Ethylene Glycol and Terephthalic acid or Di-methyl Terephthalate. Due to high clarity, good chemical resistance, and temperature tolerance, it captures a large market share of raw material supply for the packaging industry. Blow mould method or Thermoforming method are two popular methods of manufacturing. Like all other thermoplastics, PET is easily recyclable. In fact, it is easy and practical to recycle it as compared to others. The recycled PET is the raw material for manufacturing Polyester Fiber, a versatile product.

Recycling of PET

PET used bottles/containers are collected from recycling collection stations. The sorting department separates the lot according to the material type. Bundles of sorted material are dispatched to reclaiming section. The bundled material is unbundled and washed thoroughly to remove dirt and dust. Machines convert it into shreds and send to the washing section. Clean flakes stocks are ready for reuse. Flakes can be converted into polyester fibre useful in making clothing, pillows, carpets, and fleece clothes. It is possible to convert them into safe and convenient single-serve bottles also.

What is HDPE?

HDPE is the abbreviation of High-Density Poly Ethylene. The polymerization process of Ethylene produces a lightweight thermoplastic resin with great mechanical resistance quality and lightweight. Because of good chemical resistance to a large spectrum of acids or organic solvents, it is an ideal material for producing containers. Food oils, petrochemical products, other chemicals and medicines can be stored without any risk of degradation/chemical decomposition.

It is produced by a special process known as cracking. When petroleum products get intense heat under controlled condition, ethylene gas produces. The molecules of Ethylene link together and form a substance known as Polyethylene. It looks like porridge which passes through tiny holes. Holes convert it into strings. These strings go to cutting machine and turn into little granules. HDPE contains a very high density of Ethylene molecules.

Due to low transparency, it acts as a good barrier for light. However, it is little inconvenient from user’s perspective because the material can’t be perceived from outside. Some peculiar traits like high moisture resistance and lucidness stand out HDPE distinctly for a variety of applications. It has a good capacity of storing items below freezing temperature.  However, it is not possible to fill products above 110 degrees Fahrenheit temperature. It is not suitable for essential oils or storing products that need vacuum sealing.

Various manufacturers offer a commendable range of jars and bottles with multiple sizes and shapes to meet the demands of clients. Due to good holding capacity, durability, superior quality and long-lasting life, they get appreciation from users across the globe.

Recycling of HDPE

Recycle companies collect large pools of it and clean thoroughly before sending it for recycling. Other plastic polymers are separated out because it may spoil the entire lot. Since it has a relatively low specific density, the sink-float mechanism is useful for separating it from others. Near Infrared Radiation technique is another popular method of sorting other types of polymers. After that, the material is moved to the shredding and melting section. Recycled HDPE is ready for further use.

Why are PET handle bottles better than HDPE handle jars?

1. It is remarkably lightweight than HDPE or glass. Typically, the weight of a 1L bottle of PET is about 20-26 grams whereas HDPE weighs around 38-44 grams. It makes a great difference in packaging costs.
2. There is no material cost during the production process.
3. High efficient, lower power consumption and a fully automated process make PET production cost-effective.
4. PET offers improved barrier properties for Oxygen and humidity. Hence, these containers keep food items free from odours.
5. Attractive and aesthetic tailor-made bottles are made from PET.
6. It has a smooth finish, no scratch marks like HDPE. It is possible to produce transparent or attractively coloured bottles using this material.
7. It is a durable material with high shock-resistance.
8. Since PET is biologically inert material like glass, it resists attacks of micro-organisms.
9. It doesn’t contain BPA or heavy metals. It is a low-toxic and low-hazardous material.
Due to excellent usability, low cost and better quality products, PET successfully substitutes HDPE bottles, handled jars and other packaging materials. It is a cost-effective solution with incredible flexibility. As per statistics, PET is a rapidly increasing market share across all countries. Research and development are going on to make it more environment-friendly and safe plastic material. With the increasing demand in top-rated developing countries like India and China, it has a bright future. These markets have shown remarkable economic growth in the last decade. Due to enhancement in lifestyle, there is a great thrust for the packaged food industry. Manufacturers of developed countries expect exponential growth in the coming years. It is a good sign for the PET industry.

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