Explore our core engineering items optimized for polymer melt continuous processing, film blowing, and industrial recycling machinery.
Meeting the evolving standards of Google Search Quality Rater Guidelines (E-E-A-T) and industrial procurement specifications.
In high-pressure plastic extrusion, synthetic fiber spinning, and petro-chemical filtration, the integrity of the filter screen dictates line efficiency and final product purity. SUS 304 (Austenitic Stainless Steel Grade 1.4301) offers an optimal balance between chemical resistance, mechanical strength, and thermal resistance up to 800°C. Standard off-the-shelf wire meshes often suffer from micro-cavities, non-uniform aperture distribution, and premature fatigue failure under differential pressure ($\Delta P$).
Pujiang HG Plastic Machinery Co., Ltd. incorporates state-of-the-art wire drawing and automatic shuttleless weaving technologies. By enforcing strict wire diameter tolerances within $\pm 0.002\text{ mm}$ and utilizing clean vacuum annealing processes, our SUS 304 and SUS 316L filter elements prevent gel passage, eliminate wire displacement under high melt viscosities, and extend operational lifecycles by up to 35% compared to conventional alternatives.
While SUS 304 is the industry benchmark for standard thermoplastic extrusion (PE, PP, PS), applications involving corrosive additives, high halogen concentrations, or fluoropolymers require SUS 316L (containing 2-3% Molybdenum). Our production facility offers precision-tailored alloy selection to optimize your Total Cost of Ownership (TCO).
Advancing multi-layer sintering, surface functionalization, and micro-pore retention dynamics.
Moving beyond simple single-layer woven wire screens, our technical roadmap emphasizes 5-layer and 7-layer vacuum sintered wire mesh structures. By fusing fine filtration layers between protective, support, and reinforcing layers under high thermal vacuum, the matrix achieves superior structural rigidity without sacrificing pore uniformity.
Future industrial demands mandate minimal melt friction and rapid cleaning cycles. We are pioneering chemical vapor deposition (CVD) and electro-passivation treatments on SUS 304 wire mesh to create hydrophobic and oleophobic anti-stick surfaces, reducing polymer thermal degradation during long continuous production runs.
Integrating pressure differential analytics with predictive maintenance models. Our high-precision candle and leaf disc filters are engineered with precise void volumes, allowing automated backwashing systems to clear cake build-up with minimal operator intervention.
Specialized filtration configurations tailored to heavy-duty production environments worldwide.
Optical-grade film production requires zero gel pinholes or foreign particulate contamination. Our SUS 304 leaf disc filters and candle filter elements offer absolute ratings down to 5 microns, preserving high melt uniformity and preventing costly film breakages on high-speed orienter frames.
Recycled PE/PP melt contains heavy abrasive contaminants, aluminum flakes, and paper residue. HG Plastic Machinery’s continuous screen changers equipped with reinforced SUS 304 multi-layer extruder mesh filters deliver high dirt-holding capacity, preventing downtime in granulating lines.
Spunbond and meltblown lines require precise micro-porosity for polyester and nylon spinning packs. Custom SUS 304 pleated candle cartridges maximize active filtration area within compact housings, maintaining stable pressure gradients under continuous 300°C temperatures.
Combining localized Zhejiang industrial clusters with advanced automated precision engineering.
Located in Pujiang, Zhejiang, our 20+ year manufacturing hub leverages direct access to premium stainless steel wire mills (SUS 304, 316, 316L). Every batch of raw wire undergoes spectral chemical analysis and tensile strength testing before weaving. Fully automated CNC laser cutting, plasma spot welding, and ultrasonic degreasing ensure uniform structural performance.
With an annual capacity exceeding millions of screen packs and thousands of candle filter assemblies, Pujiang HG Plastic Machinery guarantees rapid prototyping (3-5 days) and standard batch delivery within 10-15 days. Our lean manufacturing framework minimizes overhead, transferring direct cost savings to overseas OEM partners without compromising tolerance accuracy.
Standardized technical parameters for SUS 304 wire mesh and polymer filter elements.
| Mesh Count / Specification | Wire Diameter (mm) | Aperture Rating (µm) | Open Area (%) | Tensile Strength (N/mm²) | Primary Application |
|---|---|---|---|---|---|
| SUS 304 20 Mesh | 0.40 mm | 870 µm | 46.2% | 650 - 780 | Coarse pre-filtration, recycled plastic shredding lines |
| SUS 304 60 Mesh | 0.19 mm | 233 µm | 30.5% | 620 - 750 | PP/PE blown film extrusion, pipe extruders |
| SUS 304 100 Mesh | 0.10 mm | 154 µm | 36.8% | 600 - 720 | Fine sheet extrusion, masterbatch production |
| SUS 304 200 Mesh | 0.05 mm | 77 µm | 36.0% | 580 - 700 | Cast film lines, fine chemical melt filtration |
| SUS 304 325 Mesh (Dutch Weave) | 0.035 / 0.025 mm | 25 - 40 µm | N/A (3D Void) | 650 - 800 | High-viscosity polymer candle filters, spin packs |
| 5-Layer Sintered Mesh (SUS 304/316L) | Customized | 5 - 20 µm absolute | 35% - 50% | > 900 | BOPET film lines, critical fiber melt processing |
Streamlined international logistics, certification standards, and technical field assistance.
All SUS 304 filter mesh products adhere to ISO 9001:2015 quality management systems. Our stainless steel alloys meet ASTM A240/A479, REACH, and RoHS regulatory frameworks, guaranteeing zero heavy metal contamination in food-contact plastic packaging production.
We provide custom vacuum packaging, rust-inhibiting foil wrapping, and heavy-duty export wooden casing for multi-modal ocean and air freight. Exporting to over 80 countries including Germany, USA, Japan, Vietnam, and Brazil.
Our dedicated engineering group offers reverse engineering from sample elements, 3D CAD modeling, pressure drop calculation, and customized flange/end-cap design matching major European and Asian extruder brands.
In-depth responses to common engineering, procurement, and maintenance queries.
Advanced Leaf Discs, Granulating Systems, and Specialized SUS 304 Extruder Wire Mesh Assemblies.
