Spray foam

Spray foam

Spray foam is a very specialised packing material, often required for use in shipping valuable fragile items. Engineered packaging principles are designed to protect sculptures, vases, large fossils, lamp bases, busts, computers, furniture, chandeliers and other objects of unusual shape. By virtue of the liquid foam expanding by up to 280 times the volume of its liquid state, it efficiently protects almost any size, form and weight. Instapak, a product made by Sealed Air, is a common trademark for this sort of packaging.

The custom fit of the molds, top and bottom, securely and uniformly cushioning the object. There are many types of alternative materials that can be used to handle more specific needs.

"Spray foam" is also an informal term used to refer to various plastic foam materials that are used in building construction to provide thermal insulation and minimize air infiltration. Polyurethane and polyisocyanurate are two types of foam used in this application.

External links

* http://www.sealedair.com/instapak_home.htm -- Sealed Air's web site about Instapak


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