GaoLeshi PU filter sponge tubes: blast-open reticulated foam, 95%+ porosity, for air purification, water treatment, oil-water separation, dust removal and wire harness wrapping. Custom color, size, shape & PPI. SGS-certified high-tech enterprise, factory direct.
GaoLeshi polyurethane filter sponge tubes (PU Filter Sponge Tube) are made from premium polyurethane raw material through a blast-opening (reticulation) process, offering excellent air permeability, good softness and outstanding dust filtration performance. With a hollow cylindrical structure, they are widely used in air purification, water treatment, industrial degreasing, dust removal & sound insulation, and wrapping / impact protection.
As a National High-Tech Enterprise in Shenzhen, GaoLeshi runs fully automatic foaming lines and precision processing equipment, supporting full customization of color, size, shape and PPI pore size to meet the individual needs of customers in different industries.
| Specifications | |
|---|---|
| Brand | GaoLeshi |
| Product | Polyurethane filter sponge tube / PU hollow cylinder filter element |
| Material | Polyurethane (PU) open-cell soft foam |
| Process | Blast-open reticulated foam (reticulated / blast / open-cell sponge) |
| Color | Black (customizable: white, yellow, green, blue, etc.) |
| Size | Non-standard; OD × ID × length made to customer requirements |
| Pore size (PPI) | 10-80 PPI optional (coarse / medium / fine / extra fine) |
| Density | 0.018-0.045 g/cm³ optional |
| Porosity | ≥95% (ultra-high permeability) |
| Properties | Lightweight & strong · corrosion & abrasion resistant · good elastic recovery · low airflow resistance · high dust holding capacity · washable and reusable |
| Certification | SGS certified · RoHS compliant · ISO quality system · National High-Tech Enterprise |
Shenzhen Gaoloshi Household Products Co., Ltd., founded in 2011, specializes in R&D and production of polymer sponge materials - filter foam, blast foam, shaped foam, cleaning foam and more, under the brands GaoLeshi and SINIEEN. With 10+ patents, food-grade eco materials, SGS test reports and our own R&D team, we customize to your functional requirements. Welcome to contact us!