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Materials  TPX
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| Foam |
Density Range |
Cell Size |
Dopants |
Chemical Composition |
Production Issues |
| TPX (Poly 4-methyl-1-pentene) |
3-250 mg/cm3 |
1-15 microns |
Physical dispersions Embedded objects |
CH2 |
Molded or machined (higher densities) |
 TPX (poly 4-methyl-1-pentene) foam has been used for a long time in high energy experiments and is the current foam of choice at Sandia for its Z pinch experiments. These foams are cast using a unique procedure where a solvent is used to dissolve the polymer. We now produce a more uniform structure than other procedures can offer. Additionally, we are the only facility in the world where organometallic dopants are added to these foams at the molecular level; we also do particulate doping and embed objects with specific placement within the foam itself. It is an easy foam to manufacture, although its large cell size is a drawback for some applications.
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