Getting real about compression force deflection

If you've ever wondered why one piece of foam feels like a marshmallow while another feels like a brick, you're basically thinking about compression force deflection. It's one of those technical terms that sounds like it belongs in a physics lab, but it actually shows up in our lives every single day. Whether you're sitting in your favorite office chair, sleeping on a memory foam mattress, or even just relying on the seals in your car door to keep the rain out, this measurement is doing the heavy lifting behind the scenes. ...

February 8, 2026 · 7 min · Marlon Miryam