Tag Archives: Damman

ProJet assists in face-mask production throughout the world

Spunmelt nonwoven production: Spunbond & Meltblown The filter material in your face masks is made by, so called, spunmelt extrusion processes. In the Spunbond process polymer granules are melted and molten polymer is extruded through spinnerets. The continuous filaments are cooled and deposited on to a conveyor belt to form a uniform web. In Meltblown web formation, low viscosity polymers […]