General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 20042.7-2014
Scope
This part of GB/T 20042 gives the terms and definitions of the test methods for the characteristics of proton exchange membrane fuel cell carbon paper, thickness uniformity test, electrical resistance test, mechanical strength test, air permeability test, porosity test, apparent density test, Areal density test, roughness test and test report. This section applies to various types of carbon paper used in proton exchange membrane fuel cells.
GB/T 20042.7-2014 Referenced Document
GB/T 1040.3-2006 Plastics. Determination of tensile properties. Part 3: Test conditions for films and sheets
GB/T 13465.2-2002 Test method for flexure strength of impermeable graphite materials