E-PAC - Electronic Packaging and Assembly Concept revolutionizes product design from the inside out. The E-PAC design method utilizes a chassis made of custom molded, resilient foam that holds components in a form fit, form locking manner. E-PAC was pioneered and patented by Hewlett Packard in 1991. The technology was then licensed to DMT GmbH, who has, in turn, licensed it to Foam Fabricators after rigorous qualification of our state of the art production facilities, exacting quality control standards and our ISO certification.

Designing an E-PAC part can be a complex undertaking due to the many factors that the designer must take into account in order to produce an effective E-PAC system. An inexperienced designer should use our design guide only as an introduction to E-PAC design.  Foam Fabricators should be consulted early and often in the design process to ensure that the finished product is both cost effective and can be manufactured efficiently. Though most existing products can be improved by the addition of an E-PAC system, best results are obtained when a product is designed from the start with E-PAC as an integral part of the product design. Using the basic concepts in this guide a designer will have a solid foundation from which to build.

Designing with E-PAC begins with the mechanical architecture of the product. Components are arranged within the product as needed and E-PAC parts are designed to hold components in place, to keep components from interfering with each other, to provide wiring paths and to direct air flow away from components or towards others. Foam Fabricators uses sold modeling CAD software to arrange components in 3D space and then "builds" E-PAC parts in the spaces between components as solid masses of material. These "raw" E-PAC models are then individually refined using our general guidelines.

The picture below shows a server filled with E-PAC.  The red arrows are pointing to the black molded EPP.

Link to E-PAC design guide d. guide

Follow this link  E-Pac material or see "specialty resins" for detailed information about E-PAC materials.