dhalaalaya lafdhabarta, waxay leedahay kumanaan god micro micro wareegsan, oo laga sameeyay been abuur SUS630 ama SUS431, oo awood u leh inay soo saaraan dharka kaas oo ballaciisu yahay 270-3200mm, dhexroor waxaa laga samayn karaa 0.1-0.25mm, L / D laga bilaabo 1: 10- 1:20. waxay ku dheggan tahay madaxa meltblown, walxo dhalaalaya oo ka socda madaxa kadibna marinaya hawo-mareenka iyo qaybiyaha, ka dibna tagaya murgacashada, illaa iyo kiimikada fiber.it waa in la nadiifiyaa 45 maalmood kasta ilaa 60 maalmood.