Question 1

What materials and pore sizes are available for Cobetter membrane filters?

Accepted Answer

Membrane Materials available in: PES, PTFE, PVDF, Nylon, PP, MCE Pore sizes: 0.22 μm, 0.45 μm, 0.8 μm, 1.0 μm, 3.0 μm, 5.0 μm, 8.0 μm, 10.0 μm Diameters: 13 mm, 25 mm, 47 mm, 60 mm, 90 mm, 100 mm, 142 mm, 150 mm, 293 mm

Question 2

Do Cobetter membrane filters have a support layer? Should the front and back sides be distinguished during use?

Accepted Answer

Cobetter PTFE and Nylon membrane filters come with a support layer, while PES, PVDF, PP, and MCE membranes do not. The membrane packaging box includes instructions indicating that the feed side should face upward.

Question 3

Are Cobetter PP membrane filters hydrophilic or hydrophobic? Do they have a support layer?

Accepted Answer

Cobetter provides both hydrophilic PP and hydrophobic PP membrane filters. Hydrophilic PP membranes are available in three pore sizes: 0.22 μm, 0.45 μm, and 1.0 μm. PP membrane filters are made of pure PP material and do not have a support layer.

Question 4

Are Cobetter Nylon membranes made of 100% pure nylon material?

Accepted Answer

Cobetter Nylon membrane filters are not made of 100% pure nylon material. They consist of a nylon coating layered on a polyester support.

Question 5

Are Cobetter membranes uniform in thickness and pore Size distribution?

Accepted Answer

Cobetter membranes employ precision manufacturing processes and stringent QC to ensure uniform thickness and highly consistent pore size distribution. For specific technical parameters of each membrane, please contact Cobetter.

Question 6

How are Cobetter membrane filter packaged? And does each box include parchment paper?

Accepted Answer

Cobetter membrane filters are boxed; quantity varies by diameter (e.g., 47mm50/pk; 90mm:25/pk). Parchment paper placement differs by material PES/PVDF/Pure PTFE: Individually interleaved. Nylon/MCE/PP/Laminated PTFE: Top and bottom of stack only.

Hydrophilic PTFE Membrane Filters, 47mm, 0.45 µm, 100PCS

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