Large Shipping Boxes Specifics

Large shipping boxes are typically bigger cardboard boxes of 12 or more inches across their largest dimension. These shipping boxes are normally made of corrugated fiberboard, plastic (or some polymer), wood or some newer material such as fiberglass. Their size and strength can be customized together with other qualities such as edge crush test, puncture resistance, burst strength, barrier protection, number to stack on each other etc.

Large shipping boxes are unique and in many ways essential to industry sectors which involve manufacturing, business to business or business to consumer relations. Their uniqueness stems from the corrugated fiberboard heritage which is their building block. Corrugated fiberboard is a sandwich with two or more layers where flat liners are alternated with corrugated flutes. A common example is a cardboard box with three elements – an inside and outside liners plus a wavy flute medium. Outside box liners are usually printed with various advertising and contact information. Their printing qualities and color can further be tailored to customer demand and product specifications.

All three box elements are made of containerboard which is a type of paperboard – a heavier paper with grammage over 200 grams per square meter. The flutes are the magic of cardboard shipping boxes. They live in the corrugated sandwich and act as shock absorbers or suspension struts for its passengers. Flutes flex and bend as needed and absorb pressure from inside the box and outside factors while items are in motion. Their function is crucial since a box can change transport delivery vehicles and hands many times before its final destination.

Flutes are rated A through F and vary depending on their size. Large flutes suggest better box stacking capabilities. Finer and smaller corrugated flutes would designate better puncture resistance of large shipping boxes. These characteristics can be or utmost importance for certain loads. The flutes contain air which within a reason can act as barrier protection against sudden temperature changes and is important when shipping food items for example. What is more, recent reference points to bacteria killing paper which uses silver nano particles as a coating and prevents food borne diseases. Proof of concept is on the way to see if the cost of such invention can make it widespread.

Large shipping boxes pair up well with other representatives of the packaging industry such as polystyrene foam or packaging peanuts, bubble wrap, dunnage, loose fill, other void fill, packing tape, packaging paper etc. It is important that shipments and parcels are prepared carefully and according to the best shipping practices identified earlier on this blog. Large shipping boxes should be packed tightly yet the items shipped should not be in direct contact with any of the sides of a box. Only proper packaging can ensure that and avoid trouble when loading and offloading items. Larger boxes tend to be heavier with slightly higher risk so loads should be matched up with the design strength of boxes and manufacturers’ guidelines strictly followed to avoid damage and problems.