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1.6# ELE Foam Filled |
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1.8# PE 1" Foam Lined |
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1.2# Anti-Static Urethane Foam Filled |
ELE Foam (Ether like Ester) – Open cell, low cost polyurethane foam that has the look and feel of poly-ester foam. Available in 1.6# density. It is grey in color and is the most common foam used in the shipping case industry.
Polyethylene foam (Aka HDPE) – Closed cell, high density foam that is resistant to solvent, oils, greases and most common chemicals. This material is available in densities ranging from 2.0# density to 9#. This foam meets the PPC-1752D spec and is also available in a special Military grade.
By the nature of its chemical composition and high surface area, polyurethane foam is prone to the build-up of static charges. This characteristic is overcome with the addition of antistatic chemical additives. These additives are usually incorporated into the foam during the manufacturing process. This assures even distribution throughout the foam for uniform anti-static protection. Anti-static polyurethane foam has become a preferred packaging material for objects which may be harmed by static discharge such as computer hard drives, memory chips and electronic circuitry. Packaging a circuit board in a shielding bag with conventional packaging foam may not be adequate static protection. An anti-static treated polyurethane foam should also be incorporated into the packaging design. Anti-Static foam is available in 1.2# - 2.0# densities and is pink in color.
Convoluted foam is commonly referred to as egg crate foam. This is a foam that has been specially processed to produce peaks and valleys onto the surface of the foam. This is ideal for applications were you do not wish to have cavities created to hold item(s) into place but rather have the foam compress around them. This allows you to reuse the case for various a items that may range in thickness.
(Also known as Pick n’ Pluck or diced foam) This foam is offered in most small to medium sized cases. It is a foam that has been perforated all the way through into a predetermined pattern. The most common pattern would be in 1/4" cubes although this may vary from manufacture to manufacture. This foam allows you the ability to easily customize your own case by simply plucking out the cubes as needed. For tips on this please visit our "Do it yourself" section.