SMM: on June 22nd, the Department of Science and Technology of the Ministry of Industry and Information Technology issued 430 industry standards and 76 standard samples for approval and publicity, as follows:
In accordance with the industry standard revision scheme, Relevant standardization technical organizations have completed 133 chemical industry standards such as "Diffusion Dialysis Cationic Film", 12 petrochemical industry standards such as "polypropylene resin for plastic spunbonded nonwovens", 100 metallurgical industry standards such as "ultra-pure graphite for optical fiber drawing", 103 non-ferrous industry standards such as "copper-steel composite bimetal plate for bearing", "Technical specification for metal balance in gold separation and metallurgy-gold concentrate roasting process" and other 3 gold industry standards, 25 building materials industry standards such as "combined roof bricks for glass kilns", 19 rare earth industry standards such as "high purity metal ytterbium", "energy saving monitoring of nitrate tank", preparation and revision of 34 light industry standards, such as "aseptic filling production line of draft beer", The development of 75 standard samples of metallurgical industry and 1 standard sample of non-ferrous industry such as "dolomite standard sample" and "industrial molybdenum oxide standard sample". Before the approval and release of the above standards and standard samples, in order to further listen to the views of all sectors of the community, it is hereby announced that the deadline is July 22, 2020.
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Among them, there are 19 industry standards related to rare earths.
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