Cov khoom ntim ntawm lub rooj zaum hauv tsev so, lub rooj noj mov hauv tsev so feem ntau tuaj yeem muab faib ua cov hauv qab no:
1. Mos polyuretin ua npuas ncauj (feem ntau hu ua daim txhuam cev) rau sponges ntim nrog lub rooj zaum feem ntau muab faib ua peb pawg. Pa sponge yog ib daim txhuam cev tsim los ntawm cov pa polyether thiab TDI.
Nws yog yus muaj los ntawm zoo elasticity, softness, thiab breathability. High-rebound sponge yog ib daim txhuam cev tsim los ntawm active polyphisms thiab TDI ua lub ntsiab lub cev. Nws cov yam ntxwv muaj cov khoom zoo heev thiab zoo elasticity. Loj compression load, combustion kuj, breathability zoo. Lub chaos sponge yog ib hom sponge zoo ib yam li ntuj seaweed nrog ntau qhov sib txawv. Nws yog tus yam ntxwv zoo elasticity, thiab muaj cushioning zoo heev thaum compression thiab rebound.
2. Plel filling: nqes mus sau lub rooj zaum filling, xis zaum xav, me me deformation ntev, qhov tsis zoo yog qhov rov qab qeeb thiab tus nqi kuj tseem siab. Feem ntau siv nws nrog daim txhuam cev hauv qib siab sofas, los yog haum rau cushion.
3. Artificial filling: Cov paj rwb dag yog ntim nrog lub rooj zaum filling, uas yog mos thiab xis nyob rau zaum, tab sis cov khoom siv tsis zoo thiab cov compressed load me me.