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• Mix of cellulose acetate and cellulose nitrate • Hydrophilic membranes, biologically inert, high absorbance and retention • Their uniform inner micro-structure helps detect particles
• Made from polytetrafluoroethylene (PTFE), laminated with a thin layer of PP • Naturally hydrophobic, can be used for air and gas filtration • High thermal and chemical resistance • For filtering aqueous solutions, the must be pre-wetted with ethanol or methanol
• Made of polyamide/nylon (NYL) • Naturally hydrophilic, chemically resistant to alkaline solutions and organic solvents • Asymetrical pore structure: very high flow rate • Excellent thermal stability