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See Chinese contents: GB/T 40258-2021 GB/T 40258-2021: Evaluation method for corrosion resistance of hollow fiber membrane to chemical cleaning agent
This Document specifies the evaluation method for the corrosion resistance of hollow fibre membranes to acidic, alkaline, and oxidizing chemical cleaning agents. This Document is applicable to the evaluation of the corrosion resistance of hollow fibre microfiltration membranes and hollow fibre ultrafiltration membranes to acidic, alkaline, and oxidizing chemical cleaning agents. The evaluation of the corrosion resistance of other forms of membranes to chemical cleaning agents can be implemented by reference.
