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Open Cell Polyurethane Foam Filter Sponge
Filter sponge, also known as reticulated sponge, is a porous, low-density, reticulated flexible polyester/polyether urethane sponge. With an open cell structure and three dimensional skeletal strand structure. The open cell sponge specifically manufactured for aquarium and pond use has a much larger inner surface area for beneficial biological capacity than the cheap close cell sponge in the market. The reticulated structure also provides better flow rate of water and |

You can use it in any aquarium or pond filter, sump, wet/dry, canister, power filter etc. or your HMF DIY project. It can be trimmed to any size with a utility knife. |
Filter sponge can be widely used in daily life and industry such as aquarium or pond filter, communication equipment, home appliances, automotive industry, air-conditioner industry, hardware industry, medical equipment industry, instrument tools, bags, furniture, children’s educational toys, physical education equipment, house wares and so on. |

Top 10 Reasons Why you Choose our Filter Foam:
1. The material has great thickness, it is durable.
2. Very suitable for using in freshwater and marine water.
3. Can be cut any sizes as your needed.
4. Lightweight and softness design.
5. Excellent water permeability. Cultivate the nitrifying bacteria for biological filtration.
6. Dense shape makes it effective to avoid residue. Can be used again after cleaning.
7. The biochemical filter has the best effect on decomposing the excrement and the forage leftover.
8. Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria.
9. A small rubber band can be used to close off bottom of sponge if strainer has openings on bottom.
10. Can be used again after cleaning, it's reusable.


It’s divided into beginning effect filter sponge, amid effect filter sponge and high effect filter sponge according to the porosity and usage. Concretely, it can be used in filtering, dustproofing, dedusting and adsorbing,etc.
· Filtration and Humidifiers
· Air, Water, or Dust
· Scrubbers
· Ceramic Filters
· Small Engine Filters
· Medical Products
· Paint Brushes and Rollers
· Face Masks and Pads
· Cushioning
· Insulating

ESTER VS ETHER:
Hydrolytic resistance | ether>ester |
Elastic resilience | ether>ester |
Low temperature impact resistance | ether>ester |
Moisture evaporation | ether>ester |
Bacteria resistance | ether>ester |
Tensile strength | ether<ester |
Tear strength | ether<ester |
Attrition resistance | ether<ester |
Drug resistance | ether<ester |
Transparency | ether<ester |
| Raw material | polyurethane ether/ester |
| Porosity | 10~60PPI |
| Other available auxiliary functions | mould preventing,asorbing harmful gases,fire retardant,etc. |
| Available shapes | sheet, strip, ball, roller, tube or customized shapes |
Structure | Open Cell Reticulated |
| Dimension | 50x50x2.5cm / 19.69x19.69x0.98 inch or Customized |
| Packaging Details | Poly bag+Master carton |
| MOQ | 2 Cubic Meters |
| Sample Lead time | 2 days |
PPG | WATER |
TDI/MDI | HEXANAPHTHENE |
AMINE | TIN CATALYST |
PIGMENT | FOAM STABILIZER |
Largest sheet size: 39.5” x 79”










| Factory direct sale with more than ten years |
| Strict quality control |
| OEM/ODM available |
| Professional service, 24 hours online |
| Different sizes, shapes and colors available |
| All products are test approved such as SGS, RoHs, FDA etc. |
| Supplier of some large famous brands |
| Competitive price with top quality |
| Small MOQ for trail orders |
Contact Name: Crystal Tsao
Wechat No. :135-9277-8713
Tel. : 135-9277-8713
Whats App: 135-9277-8713
Dear customer, Thank you for your visiting. We are always looking forward to having a brilliant cooperation with you in the near future. If you are interested in our products, please feel free to contact us at any time. Thanks in advance. |
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