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PP Meltblown Nonwoven Fabric Spinneret Extruding Mould Die
Melt-blown spinning is to blow a molten polymer through a high-temperature high-speed gas to refine the polymer into a filament to form a nonwoven fabric.
Meltblown principle: the melting polypropylene, driven by pressure and air flow, forms tiny fibers, which are then sprayed onto the object and bonded into cloth. The spinneret is the core part of the melt blown fabric equipment. There are many spinnerets on the die for the melt to pass through. Its production and processing are very important, which is related to the production efficiency and quality of the melt blown fabrics. There are more than 300 ~ 2000 micropores in different die sizes. According to the different application level of the melt blown fabrics, the micropore diameter also has the size difference.
For N95 mask which is in short supply at present, its aperture should be 0.2mm or less.
Conventional models 600MM, 800MM, 1200MM can also be customized in different widths according to customer requirements to meet different production line configurations and process requirements.
plastic corner extrusion mould/plastic extrusion die/plastic molding
Our extrusion mould advantages:
1.We are founded in 2001,extend 13 years professional experennce gives us dominate position in extrusion moluld industry., quality and precision are the most import target of our company.our products enjoy an excellent reputation in plastic extrusion mould industry.
2.We owned a team of mature and experienced technicians,rich experiences skill workers from design, manufacture and debugging.
3.We can make all kinds of moulds according to customer requirement.The mould can be post-co extrusion, color co extrusion, embossing co extrusion, surface layer and so on.
4.Provide complete set of production process and technology transfer service
5.Flow channel systematic design is based on theoretical calculation, practical conclusion, adopting reasonable compressing ratio and stain technology according to different formula and technique
Die
Calibrator
Water tank
Fine quality after-sale service:
1. We can provide a whole set of technical support including extruder election, formula process and extrusion mould.
1. Supply . mold using instrusion, mold spare parts for you
2. We have excellent test mold technicians to test the mould
3. All the moulds must be inspected and tested to reach 100% qualified
before delivery.
Application:
Production line
Product test results
NO. | Test Items | Technical Requirements | Units | Measured Value | Single Conclusion |
1 | Extrusion speed | 0.8-1.8 | m/min | 0.87 | conform |
2 | Yield | >98 | % | 99 | conform |
3 | Thickness deviation | <1.2 | mm | 0.24 | conform |
4 | Water absorption | ≤3.0 | % | 1.0 | conform |
5 | Density | ≥0.85 | g/ cm³ | 1.38 | conform |
6 | Tightness | No leakage | / | conform | conform |
WPC Manufacture Steps:
Crushing waste plastic and some farm crops such as saw powder,stalk.flax,pole,cotton pole→raw material→mixed with plastic in high speed→pelleting(overlap) →extruded through extruder→die→alibrator and water tank→haul-off→cutter→finished products
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