1. Raw Material feeding & Extrusion System:
PP chips &Additives (color masterbatch) are fed into the system. They are melted in the extruder using heated barrels and a rotating screw.
2. Melt Pump & Spinning Beam (Spin Pack/Spinneret):
The melt pump provides precise, constant pressure to push the molten polymer forward, ensuring consistent filament thickness.
The molten polymer is forced through the spinneret—a metal plate with a lot of fine holes. This action forms continuous molten polymer filaments.
3. Filament Quenching & Drawing System:
As the filaments exit the spinneret, cool air is blown across them in the quenching chamber to solidify them.The solidified filaments are then stretched (drawn) by high-speed air jets in the air drafter. This step is critical as it aligns the polymer molecules, increasing the filament's strength and reducing its diameter.
4. Web Formation & Suction Unit:
The high-velocity air from the drafter carries the filaments and randomly scatters them onto a moving, perforated forming belt.
A suction unit underneath the belt pulls the air through, helping the filaments to lie down in a uniform, random web. The randomness is key to the fabric's isotropic strength (similar strength in all directions).
5. Thermal Bonding (Calender bonding):
The web passes through heated steel rollers (calenders). One or both rollers are engraved with a pattern (e.g., points, diamonds). Under heat and pressure, the filaments fuse together at these contact points. This produces a thin, strong, and relatively flat spunbond nonwoven fabric.
6. Winding & Slitter.
The finished fabric is automatically wound into large jumbo rolls. An inline slitter trims the edges and can slit the wide web into narrower rolls as required by the customer.
Audited Supplier 
){kind=link}