Plasma Separation Membrane 

Cobetter OneStep Plasma Separation Membrane (PSM) is designed and engineered for medical-use quick plasma separation by gravity filtration. With a remarkable asymmetric structure, the polyethersulfone composed OneStep Plasma Separation Membrane (PSM) has various superiorities, including:

Cobetter RB Series, composed of glass fiber, is recommended as another option for quick blood separation, especially for filtering large volume samples. As a blood separation membrane,  Cobetter RB Series is capable to be used exclusively or as a pre-filtering layer in various cases. The superiorities include:

• Outstanding Flow Rate, No-Need of Pretreatment
• Remarkable Blood Volume Capacity
• High Temperature Resistance
• High Retention Efficiency
• Non-Hygroscopicity & Excellent Biological Compatibility

Popular Applications

• Blood Plasma separation layer at diagnostic POCT test strips
• Immunochromatographic test strips-blood plasma separation filter
• Upstream blood sample filter at a microfluidic chip/lab on a chip

As the occupancy and reputation increases, Cobetter has developed various solutions of surface treatment for the plasma filtration membrane, indicating our capability of customizing plasma separation membrane product into a variety of filters according to every single specific requirement from our customers.