This standard specifies the principle,sample,test apparatus,test conditions,test apparatus installation,testing procedures,result recording,test report and cautions of the membrane housing cyclic pressure test method.
This standard is applicable to the cyclic pressure test of fiber-reinforced plastic membrane housing.
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This document specifies a test method for determining the mean pore size of separation membranes by gas permeation method.
This document is applicable to the mean pore size test for flat membranes and hollow fiber membranes with a diameter within 0.01μm-0.20μm in dry state, and for other shapes of separation membranes this document may be referred to.
This document is applicable to the mean pore size test with nitrogen as the test gas, and the test with other noncondensable gases, such as He, H2, O2, Ar etc., may refer to this document.
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