Jiu jitsu or Judo floor should be firm but soft, mostly smooth, not slick and not tacky.
They are all your vital protections in Judo & Jiu Jitsu trainings, but in different situations.
Recommended for professional competition for use:Compressed sponge inside: 230kg/CBM or 270kg/CBM
judo mats, judo mat, judo tatami mat, tatami judo mat Recommended for general
competition or professional training:Compressed sponge inside: 190kg/CBM, or 230kg/CBM
judo mats, judo mat, judo tatami mat, tatami judo mat Recommended for schools or young children:
Compressed sponge + PE foam inside: 160kg/CBM, or PE foam inside: 48kg/CBM
judo mats, judo mat, judo tatami mat, tatami judo mat
Reason for choosing density unit:
It can calculate weight: weight = density * volume. We can ensure the mat error range: +- 1.5kg