| Corrugated packaging boxes are some of the | | | | Double-Wall Corrugated Board: When another |
| most commonly used forms of transport | | | | layer of corrugating material and a layer of liner is |
| packaging in the world today. The raw material | | | | added to a single-wall paperboard, the resulting |
| used for this form of packaging is corrugated | | | | product is the much stronger and shock |
| paperboard (or simply 'board'), and it is produced | | | | absorbent double-wall paperboard. This form is |
| in many ways and with many specifications in | | | | heavier and more expensive and is generally used |
| order to fit the corrugated packaging and | | | | to ship/ transport bulk packaged foods, material |
| corrugated transport material requirements for a | | | | like nails and rivets, appliances like TV's and DVD |
| particular product and its supply chain, starting | | | | players and even furniture. For larger and heavier |
| from a factory to the doorstep of a consumer. In | | | | goods, Triple-Wall Corrugated Paperboard is |
| the US alone, 95% of all consumer products are | | | | produced in the same way. |
| shipped in corrugated boxes, with 75% of this | | | | Production |
| amount of box material being recycled each year. | | | | Corrugated paperboard is specifically designed to |
| The basic principle is to use combinations of paper | | | | fit product based requirements. Producers usually |
| and adhesives with varying levels of heat and | | | | specifically design the kind of paperboard to be |
| pressure; which allows for a variety of types to | | | | used for each specific product type in accordance |
| be produced, with varying levels of strength, | | | | with transportation requirements, weight and |
| weight and durability. | | | | strength and shock absorbent properties. The |
| Corrugated paperboard starts out with basic liner | | | | production of corrugated paperboard is simply |
| (also called paperboard; from which the name | | | | explained as follows; |
| comes) in massive rolls. The wavy paper shown | | | | 1- The first sheet of straight liner is unrolled and |
| below, sandwiched between the straight papers is | | | | heated. |
| called the corrugating medium (while the straight | | | | 2- This sheet is then passed through high |
| paper on both sides of the wavy one are the | | | | pressure steam to make it soft and spongy. |
| liners). | | | | 3- The sheet is then passed between a set of |
| Common Corrugated Paperboard types and uses | | | | long sprockets in order to create the ridges (or |
| Single-face Corrugated Board: A single liner is glued | | | | flutes). This process forms the wavy 'corrugating |
| to a corrugated medium to form a single-face | | | | medium'. |
| paperboard. This is commonly seen in packaging | | | | 4- The glue is then applied to one side (in case of |
| for fine china, light bulb etc. | | | | single-face paperboard) or either side (in single-wall |
| Single-Wall Corrugated Board: Two liners are glued | | | | paperboard) of the corrugating medium. |
| to either side of the corrugating material to form | | | | 5- Sheets of liner are then unrolled and glued to |
| a single-wall paperboard. This is the simplest and | | | | one or either side of the corrugating medium to |
| most widely used form of packaging for | | | | form a single-face or single-wall paperboard. |
| shipments for a variety of plastic goods and food | | | | 6- Further layers of corrugating medium and liner |
| products. This is the box consumers come across | | | | are added to form double-wall and higher |
| most often In daily life. | | | | classifications of corrugated paperboard. |