
Spons filter, uga dikenal minangka spons bolong utawa spons peledakan. Spons filter poliuretan digawe saka busa sel mbukak alus biasa liwat proses bolong. Proses bolong mbusak topeng rai asli utawa film tembok antarane jaringan busa, lan entuk struktur bolong kerangka utama.
Porositas spons filter kasebut dhuwure nganti 97%, kanthi sirkulasi udara sing apik, kelembutan sing apik, lan kekuatan mekanik sing dhuwur.
| ade | Kapadhetan | Cacahing sel | Ukuran pori | Dimensi Maksimum |
| (kg/m3) | (sel/cm) | (pori-pori/inci) | ||
| 10PPI | 22 - 26 | 3~4 | 5~15 | 2000 x 1000 x 800mm |
| 20PPI | 22 - 26 | 5~6 | 15~25 | 2000 x 1000 x 800mm |
| 30PPI | 22 - 26 | 7~9 | 25~35 | 2000 x 1000 x 800mm |
| 40PPI | 22 - 26 | 10~13 | 35~45 | 2000 x 1000 x 800mm |
| 60PPI | 22 - 26 | 15~18 | 55~65 | 2000 x 1000 x 800mm |
Digunakake ing macem-macem industri kayata sepeda motor, filter mobil, peralatan filtrasi, akuarium, masker gas, AC, bantal kursi sing bisa ambegan kanthi apik, kasur, substrat filter karbon aktif, substrat filter keramik, lan liya-liyane. Ana uga layar filter poliester tahan lenga. Layar filter pantulan alon, lan liya-liyane.