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Foam and Foam Tapes
Engineers love foam for its wide range of characteristics and capabilities. But few are aware of how versatile this material can be and how best to use it.
An experienced materials converter with adhesive expertise, like Fabrico, can help a design engineer make the right decision and deliver the exact part.
Solid foam can be open cell or closed cell. Within these two broad categories, there are many variations including:
- Flexible – bend, flex, or absorb force without damage or delamination
- Rigid – matrix structure with very little or no flexibility; completely sealed it prevents fluid absorption or air penetration
- Reticulated – process performed on foam that removes the window membranes of each cell leaving an intact skeletal structure; gaskets, filters, and acoustical applications
- Rate-responsive – appears to be soft when pressure is applied relatively slowly, firm on impact; very good for cushioning
- Syntactic foam – composite material that consists of rigid microspheres of glass, carbon, or polymers held together by a metal, polymer, or ceramic matrix; lower density, higher strength, good resistance to compression, and a lower coefficient of thermal expansion
- Memory foam – viscoelastic polyurethane, well known for its application in mattresses; responds to heat to become more elastic and pressure-sensitive