What membrane can replace the high price PTFE membrane?

Although the market competition for microporous membranes is fierce, the prices of raw material membranes such as PTFE membranes, PVDF membranes, and PES membranes have always remained high. On the one hand, there is no product that can replace these membranes. In this way, for production enterprises, the cost of raw material membranes has always been the main factor affecting profits. So, is there a product that can replace the above membranes (including PTFE, PVDF, PES, etc.)?

The answer is yes, we recommend polyolefin film for everyone. Polyolefin film is made of high-performance polyolefin material, produced by biaxial mechanical stretching/chemical phase separation process, and then processed by hot pressing composite process. The wet-laid non-woven fabric is coated with PO fiber layer, and the manufacturing process of directional cross-forming holes can achieve a minimum pore size of 0.03um. The results of new technology research and development can produce various specifications of 0.03-5.0um, 5.0-20um aperture. The process of mechanical stretching and phase separation ensures the uniformity and precision of the pore size. This is the same as the PTFE membrane produced by calendering, extrusion and biaxial stretching. They all have the characteristics of high filtration accuracy. Of course, at present we The company has also developed other polyolefin waterproof and breathable membranes, as well as medical packaging films, which can partially or completely replace PTFE membranes, PVDF membranes, PES membranes, PAN membranes, etc. , No one likes to try to change, but the cost is reduced by 30% or even lower, which will help your company and profit far more than expected.

Let me introduce some characteristics and advantages of PO membrane from the aspect of membrane filtration.

Heat shrinkage: <1.5% @100℃ 1h.
Tensile strength: 1750-2300kgf/cm2
MWCO: 500-750KDa. UF Grade.
Material properties: Hydrophobic and oleophobic, capable of hydrophilic/lipophilic modification

Comparison of polyolefin film with other films in terms of performance, etc.

In terms of application comparison, PO membranes are only slightly inferior to PTFE membranes in terms of strong corrosion resistance, but in other uses of PTFE membranes, PO membranes can almost all be replaced. In terms of high-precision filtration, flat membranes are used. Its filtration accuracy is completely higher than that of PP/PET meltblown and spunbonded membrane materials. In addition, PO membrane has very good compatibility and has been used very well in food/medical grade/scientific grade precision filtration. If you are at a loss for the high price of membrane materials, you may as well give it a try. will bring you different results.