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Corrugated cardboard primarily consists of pulp material derived from timber, wood chips, and mill waste. It comprises two glued paper sheets, known as liners, with an inner corrugated layer called fluting. This combination creates a stable structure capable of withstanding pressure and weather changes. Corrugated cardboard comes in different types, with the number of layers being the main differentiating factor. Examples include single and double-layer corrugated cardboard. The more layers it has, the greater its stiffness and durability.

Types of Walls in Corrugated Cardboard Corrugated cardboard can have different types of walls, which refer to the arrangement and structure of the fluting and liners. The most common types of walls include:

1. Single Wall: This is the most basic type of corrugated cardboard, consisting of one layer of fluting between two liners. It offers moderate strength and is suitable for lightweight or moderately heavy items.

2. Double Wall: As the name suggests, double wall corrugated cardboard has two layers of fluting sandwiched between three liners. This type of cardboard provides increased strength and is ideal for heavy or fragile items that require extra protection.

3. Triple Wall: Triple wall corrugated cardboard is constructed with three layers of fluting and four liners. It offers maximum strength and durability, making it suitable for extremely heavy or bulky items.

4. Micro flute: Micro flute corrugated cardboard is characterized by its small flutes, which are usually less than 1/8 inch in height. It is commonly used for packaging small and delicate items, providing enhanced cushioning and protection.

Choosing the right type of corrugated cardboard for your packaging needs depends on factors such as the weight and fragility of the items being transported or stored. Understanding the different types of walls can help you make informed decisions and ensure the safety of your products.