Hydrophilic PVDF Disc Membrane Filters 25/50/100 pcs/pk
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Cobetter hydrophilic PVDF membrane is used for a wide range of applications like aqueous and non-aggressive solvent-based. The modified hydrophilic PVDF provides low extractables and protein binding with broad chemical compatibility, typically used for clarifying filtration of biological solutions. Hydrophilic PVDF membrane are not recommended for filtration of acetone, DMF, DMSO.
Specifications
Materials | Membrane | PVDF |
Wettability | Hydrophilic | |
Color | White | |
Physical Properties | Filter Diameter | 13/25/47/50/60/90/293 mm |
Pore Size | 0.1/0.22/0.45 μm | |
Maximum Operating Temp. | 130°C | |
pH Range | 2.0 – 10.0 | |
Sterility | Delivery Condition | Nonsterile |
Package | Pack Size | 100/pk, 50/pk, 25/pk |
Performance
Pore Size | Bubble Point (Water 20°C) | Water Flow Rate (s/50ml/12.68cm²) @-30KPa (water 20°C) | Thickness (μm) |
0.1 μm | ≥480KPa | ≤100s | 125±25 |
0.22 μm | ≥300KPa | ≤55s | 125±25 |
0.45 μm | ≥180KPa | ≤15s | 125±25 |
Features
- Hydrophilic
- Chemical compatibility pH 1-8
- Low protein binding
- Low extractables
- High flow rate
Applications
- Sample preparation
- Particle removal filtration
- Clarification and sterile filtration of biological solutions
How to Use a PVDF Membrane Filter
1. Take one filter paper (not the blue backing paper) out of the box.
2. Place the membrane filter on the funnel assembly.
3. Adjust the sample container on the proper position.
4. Fix with a locker clip or clamp.
5. Attach the vacuum pump to the filtration set.
6. Pour the sample into the sample container and turn on the vacuum.
How to Choose a Membrane Filter
Medium, buffer filtration -- PES membrane
Low protein adsorption filtration -- PVDF membrane
Solvent mixture -- Nylon or Hydrophilic PTFE membrane
Non-polar (hydrophobic) solution -- Hydrophobic PTFE membrane
Polar (hydrophilic) solution -- Nylon membrane
Corrosive solution -- Hydrophobic PTFE membrane
Gas filtration -- Hydrophobic PTFE memberane