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Corrugated Boxes Basics 101

A Corrugated box is made from two or more sheets of liner board and one or more fluted sheets of corrugating medium. In the United States, almost all of the liner board used to make boxes is kraft - a type of paperboard made predominately from virgin softwood fibers. A great majority of the corrugating medium is made by the semi-chemical pulping process, which also uses predominantly virgin fibers, but, in this case, they are mostly hardwood. Even so, a third of all the corrugating medium is made from corrugated box plant waste and from old corrugated boxes collected in supermarkets and shipping centers. This is known as recycled medium.

Corrugated containers carry 90 to 95 percent of America's manufactured goods to their consumers. This calls for the production of more than 25 billion of these sturdy boxes annually - an average of 500 boxes for every family in the United States each year.

Corrugated is in fact the largest segment of the packaging industry. Why is it so widely accepted and used? Value. Performance. Corrugated shipping boxes, on average, cost well under one percent of the value of the goods they carry, making them the least expensive container ever developed having such a wide range of protective abilities. They minimize distribution costs while protecting their contents as they move from point of manufacture to point of consumption. Liquids, solids, granulated material - hard or soft - rugged or delicate - all are easily protected from in-transit damage.

Each corrugated box is designed expressly for the product it contains. Size, weight, shape, fragility, orientation in the package, filling requirements, pallet pattern, warehousing needs and mode of shipment are all taken into consideration in its design. The box is then manufactured to precise specifications. Delivered knocked-down, corrugated boxes are quickly and easily set up when needed. Inner packing pieces may be placed in the box before filling, or positioned around the product after it has been put in place.

In the warehouse, filled boxes work extremely well in making the most efficient use of valuable storage space. High density warehousing, an increasingly popular concept, was made possible through the use of corrugated. Boxed inventory can be stacked high and deep with automated equipment operating in narrow aisles. And corrugated or solid fiber slip-sheets, replacing pallets, add to the space savings.

Regular slotted container - RSC
All Flaps same length. Outer flaps meet.

All of the flaps of a regular slotted container are the same length, and the lengthwise (normally outer) flaps meet at the center of the box. The space between the inner flaps vary depending upon the relation of the length to the width of the box.

Regular slotted boxes are in more general use than any other style because they are the most economical to manufacture and use, and are adapted to the shipment of most commodities. Where the article requires the protection of the thickness of two corrugated fiberboard over the entire top or bottom, fill-in pads may be provided between the inner flaps, or a center special slotted container (described below) may be used.

Edge Crush Test - ECT
This acronym is generally followed by a number. That number represents the amount of force per square inch the box can withstand before it begins to crush under the weight. Most of our Shipping and Moving Boxes have an ECT of 32, meaning they can withstand 32 pounds of pressure per square inch before they will start give into the pressure.

You can find these shipping boxes and so much more right here at RocketIndustrial!

A Corrugated box is made from two or more sheets of liner board and one or more fluted sheets of corrugating medium. In the United States, almost all of the liner board used to make boxes is kraft - a type of paperboard made predominately from virgin softwood fibers. A great majority of the corrugating medium is made by the semi-chemical pulping process, which also uses predominantly virgin fibers, but, in this case, they are mostly hardwood. Even so, a third of all the corrugating medium is made from corrugated box plant waste and from old corrugated boxes collected in supermarkets and shipping centers. This is known as recycled medium.

Corrugated containers carry 90 to 95 percent of America's manufactured goods to their consumers. This calls for the production of more than 25 billion of these sturdy boxes annually - an average of 500 boxes for every family in the United States each year.

Corrugated is in fact the largest segment of the packaging industry. Why is it so widely accepted and used? Value. Performance. Corrugated shipping boxes, on average, cost well under one percent of the value of the goods they carry, making them the least expensive container ever developed having such a wide range of protective abilities. They minimize distribution costs while protecting their contents as they move from point of manufacture to point of consumption. Liquids, solids, granulated material - hard or soft - rugged or delicate - all are easily protected from in-transit damage.

Each corrugated box is designed expressly for the product it contains. Size, weight, shape, fragility, orientation in the package, filling requirements, pallet pattern, warehousing needs and mode of shipment are all taken into consideration in its design. The box is then manufactured to precise specifications. Delivered knocked-down, corrugated boxes are quickly and easily set up when needed. Inner packing pieces may be placed in the box before filling, or positioned around the product after it has been put in place.

In the warehouse, filled boxes work extremely well in making the most efficient use of valuable storage space. High density warehousing, an increasingly popular concept, was made possible through the use of corrugated. Boxed inventory can be stacked high and deep with automated equipment operating in narrow aisles. And corrugated or solid fiber slip-sheets, replacing pallets, add to the space savings.

Regular slotted container - RSC
All Flaps same length. Outer flaps meet.

All of the flaps of a regular slotted container are the same length, and the lengthwise (normally outer) flaps meet at the center of the box. The space between the inner flaps vary depending upon the relation of the length to the width of the box.

Regular slotted boxes are in more general use than any other style because they are the most economical to manufacture and use, and are adapted to the shipment of most commodities. Where the article requires the protection of the thickness of two corrugated fiberboard over the entire top or bottom, fill-in pads may be provided between the inner flaps, or a center special slotted container (described below) may be used.

Edge Crush Test - ECT
This acronym is generally followed by a number. That number represents the amount of force per square inch the box can withstand before it begins to crush under the weight. Most of our Shipping and Moving Boxes have an ECT of 32, meaning they can withstand 32 pounds of pressure per square inch before they will start give into the pressure.

You can find these shipping boxes and so much more right here at RocketIndustrial!

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