What it doesn’t have: the lingering chemical smell we’ve noticed in some other shredded foam. This adjustable pillow is more affordable than other shredded-foam pillows we’ve tried ...

To this end, we synthesized silicone (polydimethylsiloxane; PDMS) foam disks resulting in a low cost (0.02$/disk) and ultraclean material suitable for analysis by gas or liquid chromatography ...