Corrugated boxes are made up of corrugated paperboard that contains rows of air columns. The columns make the paper stronger than average cardboard with the air acting as a cushion for any items inside of them. The ridges inside offer strength and flexibility. Corrugated boxes are used in everyplace. You may have them in our home, offices. The Sweets, Pizza etc. you receive comes in a corrugated box. An estimated 80% of all products in the India are shipped in corrugated boxes. They are found in Big Bazzars, Grocery stores, etc.. which recycle million of million tons of old corrugated boxes every year.
Types and Sizes of Corrugated Boxes
Many years ago in India, corrugated paper, the ridged and grooved part of shipping and packaging boxes, was used as so many type of packaging purposes. Since then, corrugated boxex are used in various cardboard box types, like bekery, pizza, garments, automotive parts etc. Carrugated fluting is also used in some eco-friendly disposables, paper plates, trays, etc.
What are the benefits of corrugated boxes
Sandwiched between two pieces of paper (cardboard), the ridged flutes of these products are designed to support a weight of products. Not only beneficial for shipping purposes, but it also plays an important part in supporting the weight of different products like food, garments, automotive, electronics etc. This cardboard fluting plays an important role in protecting items during transportation. Fluting specifications are used as per weight of products. It may be lower or higher in gsm depending on products weight. The curved arches created by these flutes make boards durable and resist pressure applied from any angle. The empty space located between the flutes and under the arches even provides cushioning, as well as insulation in the event of extreme temperature changes.
At a Glance (Understanding Corrugated Flutes)
Flutes come in sizes, known as flute profiles, ranging from A-flute (the largest) to F-flute and below (micro flutes). Larger flute profiles deliver excellent vertical compression strength and cushioning. Smaller flute profiles provide enhanced structural and fancy printing capabilities for retail packaging.
Corrugated material is available in different wall thicknesses, known as flutes sizes
A-Flute is 1/4 inch thick, greatest cushioning for fragile products
C-Flute 3/16 inch thick, commonly used for shipping cases
B-Flute is 1/8 inch thick, flatter surface for higher quality printing and die cutting
E-Flute is 1/16 inch thick, a strong alternative for paperboard folding cartons
Different Corrugate Thicknesses for Different Uses
Corrugated paper is available in different wall thicknesses, known as flutes sizes. Each flute size has a different function & size (as per weight & size of products). Here are descriptions and details of each corrugated flute size.
Corrugated material is comprised of three fiberboard layers; two (paper)liner boards sandwich a middle sheet that is in a wave-shaped a pattern of arches known as flutes. These flutes are anchored to the liner board with an adhesive.
On end, flutes form rigid columns, capable of supporting a weight. From the side of the board, the space between the flutes acts as a cushion to protect the valuable products. Flutes also serve as an cushion (insulator). The paper (liner board) provides extra strength and protects the flutes from damage.
What do the flute letter designations mean
So many types of corrugated boxes are used by the letters A, B, C, E, or F, with flutes A – E being the most common types. C flute corrugation is the most frequently used, with 80% of boxes making up this C type flute. However, the alphabetical letter of the flutes don't correspond to the sizes of box, its depends upon the size & weight of product.
Type A
Type A cardboard has excellent compression,stacking strength and cushioning. It is great for big packaging fragile items and is commonly used for excellent stiffness qualities.
No.of Flutes / Linear Foot: 36
Flute Height: 1/4”
Type B
No. of Flutes / Linear Foot: 49
Flute Height: 1/8”
Type C
Type C cardboard makes a good printing surface. It also has compression properties and offers puncture resistance. It is most commonly used for shipping boxes and to secure glass, food, etc.
No. of Flutes / Linear Foot: 41
Flute Height: 11/64”
Type E
Type E cardboard’s containing 90 flutes per foot helps to reduce storage space. It has excellent puncture resistance and flat surface for fancy printing. It is commonly used for fancy displays, pizza boxes, automotive boxes, and packaging of consumer goods such as cosmetics, glass, ceramics, and electronics.
No. of Flutes / Linear Foot: 90
Flute Height: 1/16”
Type F
Type F cardboard has an very good printing surface and excellent puncture resistance. Its thin flutes allows for stiffer boxes with less fiber. It is commonly used in food cosmetics, mobiles, jewelry & shoes etc.
No. of Flutes / Linear Foot: 128
Flute Height: 1/32”
Many years ago in India, corrugated paper, the ridged and grooved part of shipping and packaging boxes, was used as so many type of packaging purposes. Since then, corrugated boxex are used in various cardboard box types, like bekery, pizza, garments, automotive parts etc. Carrugated fluting is also used in some eco-friendly disposables, paper plates, trays, etc.
What are the benefits of corrugated boxes
Sandwiched between two pieces of paper (cardboard), the ridged flutes of these products are designed to support a weight of products. Not only beneficial for shipping purposes, but it also plays an important part in supporting the weight of different products like food, garments, automotive, electronics etc. This cardboard fluting plays an important role in protecting items during transportation. Fluting specifications are used as per weight of products. It may be lower or higher in gsm depending on products weight. The curved arches created by these flutes make boards durable and resist pressure applied from any angle. The empty space located between the flutes and under the arches even provides cushioning, as well as insulation in the event of extreme temperature changes.
At a Glance (Understanding Corrugated Flutes)
Flutes come in sizes, known as flute profiles, ranging from A-flute (the largest) to F-flute and below (micro flutes). Larger flute profiles deliver excellent vertical compression strength and cushioning. Smaller flute profiles provide enhanced structural and fancy printing capabilities for retail packaging.
Corrugated material is available in different wall thicknesses, known as flutes sizes
A-Flute is 1/4 inch thick, greatest cushioning for fragile products
C-Flute 3/16 inch thick, commonly used for shipping cases
B-Flute is 1/8 inch thick, flatter surface for higher quality printing and die cutting
E-Flute is 1/16 inch thick, a strong alternative for paperboard folding cartons
Different Corrugate Thicknesses for Different Uses
Corrugated material is comprised of three fiberboard layers; two (paper)liner boards sandwich a middle sheet that is in a wave-shaped a pattern of arches known as flutes. These flutes are anchored to the liner board with an adhesive.
On end, flutes form rigid columns, capable of supporting a weight. From the side of the board, the space between the flutes acts as a cushion to protect the valuable products. Flutes also serve as an cushion (insulator). The paper (liner board) provides extra strength and protects the flutes from damage.
What do the flute letter designations mean
So many types of corrugated boxes are used by the letters A, B, C, E, or F, with flutes A – E being the most common types. C flute corrugation is the most frequently used, with 80% of boxes making up this C type flute. However, the alphabetical letter of the flutes don't correspond to the sizes of box, its depends upon the size & weight of product.
Type A cardboard has excellent compression,stacking strength and cushioning. It is great for big packaging fragile items and is commonly used for excellent stiffness qualities.
No.of Flutes / Linear Foot: 36
Flute Height: 1/4”
Type B
Type B cardboard has excellent crush and puncture resistance and is a good printing surface. This cardboard is commonly used for inner packaging components such as partitions mesh & inner boxes with lower arch heights and more flutes per foot than A-flute.
No. of Flutes / Linear Foot: 49
Flute Height: 1/8”
Type C
Type C cardboard makes a good printing surface. It also has compression properties and offers puncture resistance. It is most commonly used for shipping boxes and to secure glass, food, etc.
No. of Flutes / Linear Foot: 41
Flute Height: 11/64”
Type E
Type E cardboard’s containing 90 flutes per foot helps to reduce storage space. It has excellent puncture resistance and flat surface for fancy printing. It is commonly used for fancy displays, pizza boxes, automotive boxes, and packaging of consumer goods such as cosmetics, glass, ceramics, and electronics.
No. of Flutes / Linear Foot: 90
Flute Height: 1/16”
Type F
Type F cardboard has an very good printing surface and excellent puncture resistance. Its thin flutes allows for stiffer boxes with less fiber. It is commonly used in food cosmetics, mobiles, jewelry & shoes etc.
No. of Flutes / Linear Foot: 128
Flute Height: 1/32”
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