Tag Archives: LDPE bags

How LDPE Bags Are Superior Than Common Bags?

July 8, 2016


What are LDPE bags?

Low Density Polyethylene bags or LDPE bags are often considered as a better replacement to ordinary plastic bags, which are thick and non-biodegradable. Ordinary plastic bags are a hazard to the environment as they cannot be easily disposed of. This is where Low Density Polyethylene bags become important as they have a high degree of transparency and flexibility. In comparison to the ordinary plastic bags, the LDPE bags are better suited to store perishable items like food products and medicines. These bags keep food products fresh and increase the shelf life of pharmaceuticals like tablets, bottled medicines etc. LDPE bags also offer protection against bad odour, mold, mildew and various other spoilage organisms.
Low Density Polyethylene bags are designed in such a manner that they are unaffected by moisture, dust, air and other impurities present in the outside environment. The bags are also odourless and toxin-resistant, thus making them a better choice over ordinary plastic bags. LDPE bags are available in a wide range of shapes and sizes and can also be custom-made depending on the specific requirement of the customers.

Why LDPE Bags are Better than Plastic Bags?

Nowadays, the general trend is of people preferring Low Density Polyethylene Bags rather than plastic bags. What are the reasons behind this change? Read on to know more…
The major advantage of ordinary plastic bags is that they are “ordinary”. They are very cheap and easily available. In spite of all these plus points, more and more customers are opting for LDPE bags. This is because of the following reasons:

ldpe bag superior than common bags1) The Low Density Polyethylene bags are thick gauged in comparison to the regular plastic bags and this work out well when heavy and a number of objects are to be carried. The ordinary plastic bags cannot carry this much weight and is one of their biggest disadvantages.

2) The second advantage of switching to LDPE bags from ordinary plastic bags is that they are highly recyclable and reusable. Most of the plastic bags available in the market are for only one-time use. That, however, is not the case with LDPE bags. These bags can be reused multiple times and come in handy as kitchen catchers. Low Density Polyethylene bags are known to have a reuse rate of around 40-60%.

3) People also choose Low Density Polyethylene bags over ordinary plastic ones as they do not biodegrade. This does not apply for bags with additives. As they are not biodegradable, these types of bags are highly useful for landfills.

4) Another major benefit of opting for LDPE bags is that it shows great resistance to high temperature. So even if the outside atmosphere is not conducive, products kept inside these bags will not be affected as it is highly adjustable to the surrounding environment.

5) The LDPE bags are also preferred for their leak-proof texture and their resistance to punctures. Ordinary plastic bags always buckle under excess weight.

The Invisible but Important Support: Plastic Multi Layer Bags

November 12, 2014


In today’s world, there is nothing more widely and frequently used product than polyethylene or multi layer bags popularly known as plastic bags. One cannot imagine life without plastic. It has become so embedded in our life that however environmental conscious we become, there is no way around using plastic.

Multi-layer bags or the plastic bags protect the contents from various environmental factors like rain and dust. Low-density polyethylene (LDPE) is most commonly used for making plastic bags. For waterproofing solutions also, multi layer bags are a very good choice. These are reliable and cost effective, and protect the contents by keeping them in the same condition as it was when packed. LDPE Bags are widely used in day today life and also in different industries like automobile, electronics, pharmaceuticals and garment for packing purposes. Available in various sizes, these bags can be customized as per the requirement.

Advantages

  • Reliable and cost effective
  • Water proof and dust proof
  • Flexible, yet strong
  • Chemical & corrosion resistant
  • They are translucent or opaque with lower tensile strength.
  • A preferred form of food grade packaging material for liquids like juice and milk

Manufactures today also employ the same method to make LDPE that was used in 1933 to manufacture low-density polyethylene (LDPE) as the first grade of polythene. This method involves using a high pressure process via free radical polymerization. These bags are translucent or opaque, quite flexible yet tough and with lower tensile strength and has high resilience.

Although, there are many competing products, the demand for multi layer bags is still very strong in today’s market.

Triple Laminated Bags

The food grade ability of LDPE bags has ended the search for a cheap reliable packaging solution for both dry and wet food products. The Multi Layer Bags are a preferred form of food grade packaging material for liquids like juice and milk. The cartons are made of liquid packaging board, which is a laminate of paperboard and LDPE as the waterproof inner and outer layer, and often with a layer of aluminum foil, thus making it an aseptic packaging.

Disadvantages

  • It’s not biodegradable.
  • These threaten the life in the water bodies, affecting the marine eco-system.
  • They cause drain clogging.
  • These are harmful for animals if swallowed while eating food items.
  • Low grade colorful LDPE bags contain lead and cadmium, which are toxic to store food items.
  • If burned in open air, hydrogen cyanide is released which is carcinogenic.

LDPE Bags for Pharmaceuticals Capsules Packaging
As of now, recycling is a practical solution to combat the negative effects of plastic. LDPE bags users need to be educated more about recycling for the sake of not only the environment, but also because it makes more economic and production sense to recycle and reuse rather than process more and more.

LDPE bags – A cost effective solution for upholding API’s excellence

August 19, 2014


Ensuring the safety of the products is always very important in any industry and predominantly in the food and pharmaceutical industry. When it comes to the safety of the products or ingredients, there can’t be any better solution than LDPE bags. It is a very cost effective way to preserve the products from all sorts of outer conditions. Conditions such as water, moisture, heat cannot have any impact on the products when LDPE bags are used for the packaging. The application of these bags is mostly seen in the food and pharmaceutical industry where products require to be prevented from moisture, mold and mildew.
LDPE bags are vastly used for API packaging. API is Active Pharmaceutical Ingredients. At the time of transporting API in powdered or beads form these bags are used to protect the ingredients from outside environmental effects. Protecting the quality and chemical nature of the API is very important since it has got lot to do with the health of the humans or other living beings. In order to produce high quality tablets or capsule, the ingredients have to be in perfect condition.

LDPE bags have a large role to play in pharmaceutical industry. These bags are used for protecting ingredients for long term use. In cases when these ingredients are stored for long term transportation, the risk of spoilage or damage is always there. But this packaging makes sure that the ingredients don’t lose their original qualities in any weather condition. Basically these bags works as a protecting shield to uphold the characteristics of the ingredients. What about any reaction of the ingredients with the materials of these bags? Well, these bags are made from chemical free substances so that the inside ingredients don’t cause any adverse reaction. LDPE bags for API packaging are a wonderful as well as cost effective solution for maintaining the originality of the chemical ingredients.

LDPE bags for API packaging

These bags are available in various sizes and shapes and these are approved by FDA. Moreover, these can be made according to the needs of the users. Here are some of the advantages of LDPE bags used for the packaging of API:

  •   Firstly, it prevents the inside ingredients from moisture, water and other weather impacts. It also maintains the natural quality of the ingredients.
  •   Secondly, due to the chemical free substances of these bags, it can’t cause any reaction with the products thus increase the shelf life of the ingredients.
  •   These bags work absolutely fine in high temperature. Not only that in any extreme weather condition these bags provide the maximum protection.

The protecting ability of these bags depends on the film thickness. At the time of packaging the film thickness requires to be selected accordingly.


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