Self-expanding ua npuas ncauj daim kab xev thiab raw khoom yob
Self-expanding polyurethane ua npuas ncauj daim kab xev yog ib tug pre-compressed, nws tus kheej-expanding ua npuas ncauj daim kab xev, uas yog ib tug hloov khoom siv raws li polyurethane ua npuas ncauj. Polyurethane ua npuas ncauj nthuav dav sib npaug los muab kev ua haujlwm siab. Muaj peev xwm ua tau huab cua tsis zoo thiab kho nrog lub siab rhiab nplaum rau ntawm ib sab, nws tuaj yeem txuas rau ib sab ntawm lub seam. Tshwj xeeb tsim los rau kev sib khi qhov khoob ib ncig ntawm lub qhov rooj thiab qhov rais, nthuav cov pob qij txha hauv cov pob zeb ua ntej, sib koom ua ntej ntawm cov pob zeb ua vaj tse thiab cov slabs.
