GB/T 42270-2022
Test methods of hydrophobic characteristics for porous hydrophobic membrane (English Version)

Standard No.

GB/T 42270-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 42270-2022

Scope

This document describes the test method for water penetration pressure and critical wetting value of porous hydrophobic membranes. This document is applicable to the test of the hydrophobic performance of the separation membrane with a pore size range of 0.01 μm to 10.0 μm maintained in the gas phase or oil phase in the membrane channel during the membrane separation process.

GB/T 42270-2022 Referenced Document

• GB/T 32373-2015 Test methods for reverse osmosis membranes
• GB/T 38902-2020 Determination of hollow fiber membrane cross-section dimensions—Image analysis method
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• YY/T 0282 Syringe needle

GB/T 42270-2022 history

• 2022 GB/T 42270-2022 Test methods of hydrophobic characteristics for porous hydrophobic membrane