For every product, no matter what type or kind it is, packaging is an integral part although it's wise to use a minimal amount of packaging to cut down on costs and waste. When it comes to this particular need, the materials available for use include cardboard, plastic, paper and even some of the metal-type materials. Follow on for the basics on packaging and its common types.
Perhaps you often hear of people saying that they bought soup or chili packaged in a tin can whereas in reality, these are not cans made from tin at all. It has been a practice for several decades now that canned items including vegetables, soups and sauces are actually packaged in cans produced from aluminum. Although tinplate steel was once the material, since the late 1950s it has been aluminum that is commonly used for canned goods.
Compared to tinplate steel, aluminum is more advantageous being less expensive and not as difficult to make however it still is corrosion resistant. Add the fact that this is the most abundant metal on Earth. Do you know that aluminum is so recyclable that in fact two-thirds of all aluminum produced is still being used and reused as of today? The sad part though is that only half of the material ever makes it to the recycling bins.
Different types of plastic are one of the most common materials used for packaging. Even items packaged in cardboard boxes and containers typically are just holding vessels for the sealed waxy plastic bags inside, such as the bags which hold cereal or crackers. There are actually seven basic types of plastic and each is identified with a special resin code, which is a number surrounded by a triangle of arrows.
There are several different types of plastic that are used to make food packaging, including polyethylene terephthalate, which is often used to hold liquid products, such as soda and water. High-density polyethylene is another type also used to make plastic bottles, milk jugs, plastic bags and many types of food storage containers. Low-density polyethylene also is used to make plastic bags and well as plastic wrap and the plastic rings used to hold together cans of soda.
Thermoforming is the process by which these plastics are transformed into different products. Via vacuum forming or injection molding a large thin sheet of plastic goes through heat of a specific temperature and then they are forced into molds. This then goes through cooling and any excess plastic being trimmed away but only to be recycled for new thermoformed products. After removing it from the mold, you now have your finished product.
Perhaps you often hear of people saying that they bought soup or chili packaged in a tin can whereas in reality, these are not cans made from tin at all. It has been a practice for several decades now that canned items including vegetables, soups and sauces are actually packaged in cans produced from aluminum. Although tinplate steel was once the material, since the late 1950s it has been aluminum that is commonly used for canned goods.
Compared to tinplate steel, aluminum is more advantageous being less expensive and not as difficult to make however it still is corrosion resistant. Add the fact that this is the most abundant metal on Earth. Do you know that aluminum is so recyclable that in fact two-thirds of all aluminum produced is still being used and reused as of today? The sad part though is that only half of the material ever makes it to the recycling bins.
Different types of plastic are one of the most common materials used for packaging. Even items packaged in cardboard boxes and containers typically are just holding vessels for the sealed waxy plastic bags inside, such as the bags which hold cereal or crackers. There are actually seven basic types of plastic and each is identified with a special resin code, which is a number surrounded by a triangle of arrows.
There are several different types of plastic that are used to make food packaging, including polyethylene terephthalate, which is often used to hold liquid products, such as soda and water. High-density polyethylene is another type also used to make plastic bottles, milk jugs, plastic bags and many types of food storage containers. Low-density polyethylene also is used to make plastic bags and well as plastic wrap and the plastic rings used to hold together cans of soda.
Thermoforming is the process by which these plastics are transformed into different products. Via vacuum forming or injection molding a large thin sheet of plastic goes through heat of a specific temperature and then they are forced into molds. This then goes through cooling and any excess plastic being trimmed away but only to be recycled for new thermoformed products. After removing it from the mold, you now have your finished product.
About the Author:
Lenna Stockwell enjoys writing about how stuff is made. For further details about custom packaging solutions or to find out more about food packaging design, please go to the Indepak website today.
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