Ayers Mcdonald

  • We have talked a minor bit about memory foam in our dialogue on visco elastic. As we mentioned there, it is basically just polyurethane with a few of additives to improve it is density and viscosity. The end result is a foam that is company, but presents when fat is utilized. If you have sat on an airplane, or squeezed the headrest in a…[Read more]

  • Ayers Mcdonald became a registered member 7 years, 11 months ago