The formulation of this standard is based on comparing the standards of the European Union, the United States and my country, and adopts the method of inferring the quality of end products. It stipulates the melt-blown nonwoven fabrics for protective masks that meet domestic standards, European standards, and American standards respectively. Classification, quality requirements and test methods are in line with international standards. Compared with existing relevant standards, they are more in line with the current status and needs of the melt-blown nonwovens industry. They supplement the deficiencies of domestic standards and are advanced, scientific and applicable. .
T/GDBX 031-2020 history
2020T/GDBX 031-2020 Melt-blown nonwoven for protective masks