Sɛ wɔde toto polyurethane foam ho a, .Silicone rɔba a wɔde foam ayɛ no betumi adi EN45545-2 ahwehwɛde ahorow ho dwuma yiye wɔ ogya a ɛrehyew no ho .. Ne foam density no yɛ 0.08 ne 0.15g/cm 3 ntam, na ne som nkwa betumi adu 2 kosi 4 sen polyurethane foam.
Nea ɛka ho no, ɛkorɔn kɛse sen polyurethane foam wɔ ahotɔ, foam density ne nneɛma a atwa yɛn ho ahyia adamfofa. Enti, wɔhwɛ kwan sɛ ɛbɛsi atetesɛm mu polyurethane foam ananmu wɔ ahunmu, keteke kwan so ne kar nnwuma a ɛkorɔn-awie .