Recently, the technical standard of melt blown nonwovens used in the first mask of the province, led by the Fujian fiber inspection center, was approved in Fuzhou.

This standard revolves around the use of polypropylene melt blown nonwovens for the masks, including the requirements of raw materials, grading of products, appearance quality requirements, quality requirements of conventional performance indicators, functional technical requirements, inspection and determination methods, and product identification requirements. The main technical indexes include particulate matter filtration efficiency, bacterial filtration efficiency, ventilation resistance, breaking strength, unit area quality deviation rate and appearance quality. Quantity requirements.

According to the general requirements of "advanced technology and economically feasible", the group standard absorbs the experience of production, inspection and management of melt spraying cloth in our province on the basis of the general requirements of national laws and regulations and mandatory standards, effectively connects the standards of melted spray cloth products and the product standards of protective masks, and obtains the main production enterprises, inspection institutions, trade associations, colleges and universities in the province. Unanimous approval of experts from research institutes.

It is reported that the standard has been implemented in May 28th, will play a leading role and standardize the role, from a technical point of view of the enterprise "standardize a batch, improve a batch, a number of remediation", effectively guide the melt blown fabric production and operation enterprises comply with the rule of production of melted spray cloth, in order to standardize the melt spray cloth market order, guarantee the quality of epidemic prevention products to provide effective technical support.