This standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation and storage of T3 industrial X-ray film. This standard applies to X-ray films used for non-destructive testing of welds and castings of steel, iron, aluminum and other metals and their alloy materials.
HG/T 4289-2012 Referenced Document
GB/T 11500 Photography.Density measurement.Part 2:Geometric conditions for transmission density
GB/T 15061 General specifications for sensitometry of silver halide photographic materials.Part 1:sensitometric exposure conditions of films to be exposured for incandescent tungsten and daylight