Firmness?
Maximize
- Remove this product from my favorite's list.
- Add this product to my list of favorites.
IFD (Indentation Force Deflection) : is a measurement of foam firmness.
Expressed:
In Kpa (kilo pascal):
Express the Force required to compress a foam to 40%
•from 1 to 3 kpa = soft •3 to 4.5 kpa = medium firm •4.5 to 6 kpa = firm •> 6 kpa = extra firm
In Newton (N):
Express the firmness of the foam by indenting (compressing) a foam sample percentage of its original height.
