 | The melt blown cloth burns smokeless without coke, and some other fake masks with napkins burn with smoke and coke. Therefore, the authenticity of masks can be distinguished? | | | |  | Melt blown nonwovens (also known as melt blown nonwovens and melt blown fabrics) have the characteristics of fine fiber, large specific surface area, small porosity and large porosity. They can be used as materials for sound abs… | | | |  | The spinning process includes melt extrusion amount, draft hot air velocity and melt temperature
| | | |  | At present, melt blown nonwovens are widely used in the fields of high-efficiency air filtration, high-efficiency water filtration, medical isolation and protection, industrial isolation and protection, clothing thermal insulati… | | | | |
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