High-Performance Clarification Filters from China Suppliers | Factory-Validated Challenge Pore® PP Filters
Features
- Constructed with multiple layers of polypropylene membranes of varying pore sizes, scientifically combined to provide high retention, high throughput, and excellent fouling capacity.
Typical Applications
- Prefiltration of cell culture media
- Clarification of fermentation broth or cell culture fluids
- Prefiltration of serum and blood products
- Prefiltration of colloidal or viscous liquids
Operating Conditions
- Maximum operating temperature: 80℃
- Maximum differential pressure: 0.55MPa/25℃, 0.1MPa/80℃
Sterilization
- Challenge Pore® PP capsule filter capable of up to 25 cycles of high-temperature steam sterilization.
Biosafety
| Endotoxin | <0.25 EU/mL |
| Biocompatibility |
|
Filter Dimensions
- 01: 0.04㎡
- 02: 0.08㎡
- 04: 0.15㎡
- 05: 0.2㎡
- 10: 0.4㎡
Material Construction
| Filter Membrane | Polypropylene (PP) |
| Inner Cage, Outer Cage | Polypropylene (PP) |
| Capsule Housing | Polypropylene (PP) |
| Capsule Vent O-Ring | Silicone Rubber |
| Filtration Accuracy | 0.2/0.5/0.65/1.0/3.0/5.0/10/20/30μm |
Frequently Asked Questions
What materials are used to construct the capsule filter?
The filter membrane, inner cage, outer cage, and capsule housing are made of Polypropylene (PP). The capsule vent O-ring is constructed from Silicone Rubber.
What are the typical applications for this PP capsule filter?
It is typically used for the prefiltration of cell culture media, clarification of fermentation broth or cell culture fluids, prefiltration of serum and blood products, and prefiltration of colloidal or viscous liquids.
What are the maximum operating temperature and pressure limits?
The maximum operating temperature is 80℃. The maximum differential pressure limit is 0.55MPa at 25℃ and 0.1MPa at 80℃.
Does the filter meet biosafety and biocompatibility standards?
Yes. The filter has an endotoxin level of <0.25 EU/mL. It is compliant with USP <87> Non-cytotoxic standards and meets USP <88> Class VI plastic biocompatibility requirements.
How many sterilization cycles can the filter withstand?
The Challenge Pore® PP capsule filter is capable of withstanding up to 25 cycles of high-temperature steam sterilization.
What filtration accuracies and sizes are available?
Filtration accuracies range from 0.2 to 30μm (including 0.2, 0.5, 0.65, 1.0, 3.0, 5.0, 10, 20, and 30μm). Available filter dimensions include 0.04㎡ (01), 0.08㎡ (02), 0.15㎡ (04), 0.2㎡ (05), and 0.4㎡ (10).





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