Explore our top-tier industrial machinery configured with advanced candle filter technologies for clean, continuous material extrusion.
HG Nonwoven Machinery (Pujiang HG Nonwoven Machinery Co., Ltd.) stands as a premier manufacturer of spunbond, meltblown, and high-precision composite nonwoven fabric machine lines since 2014. We are dedicated to providing high-efficiency and innovative spunbond nonwoven fabric production solutions to the global market. Our engineering ethos revolves around introducing advanced overseas designs, specifically our 5th Generation spunbond spinning technology, and integrating these elements with autonomous technologies customized to dynamic global market demands.
By leveraging our specialized knowledge in high-pressure melt polymer behavior, HG-designed machinery delivers convenient operation, space-efficient footprints, low power consumption, optimized filtration performance, and exceptionally low overall production costs.
In modern synthetic fiber spinning—specifically spunbond and meltblown technologies—molten polymer (typically polypropylene, polyester, or biopolymers) must undergo rigorous purification. High-viscosity melts, subjected to temperatures exceeding 230°C and pressures up to 300 bar, carry microscopic particulates, unmelted gels, and degraded polymers. If these contaminants reach the spinneret, they cause capillary clogging, leading to filament breakage, uneven web distribution, and expensive production downtime.
HG Candle Filters, integrated directly into the spin beam assembly, solve this bottleneck. Comprising high-surface-area pleated wire mesh or sintered metal fibers, these filter candles provide maximum filtration area within a minimal volume. Our engineering focuses on ensuring uniform rheological distribution across the candle filter surface, mitigating dead-zones where polymer stagnates and degrades thermal properties.
An in-depth analysis of global procurement trends, materials engineering, and the systemic impacts of high-integrity filtration systems.
The global nonwoven fabric sector is undergoing a rapid transition toward finer denier structures and composite multi-beam layers (such as SSMMS and SMMSS). Consequently, the requirement for particulate elimination has become stricter. Traditional screen changers are no longer sufficient because they disrupt pressure profiles during changes. High-pressure candle filter systems allow continuous operation by incorporating multi-housing designs or larger surface-area cartridges that extend operational run-times.
Furthermore, the industrial rise of circular economies has driven the adoption of post-consumer recycled PP (rPP) and biodegradable materials like Polylactic Acid (PLA) in nonwoven lines. These polymers exhibit volatile rheological behaviors and higher contamination ratios, putting immense stress on filtration units. Pleated metal fiber candle filters manufactured by specialized Chinese suppliers are now engineered with graded pore structures to capture contaminants progressively, preventing premature blinding of the filter surface.
Pujiang HG Nonwoven Machinery integrates advanced manufacturing infrastructure to manufacture high-integrity melt filters. By using automated welding processes, high-precision CNC machining, and rigorous non-destructive bubble-point testing, China's factory ecosystem ensures that every candle filter can withstand extreme differential pressures (up to ΔP 100 bar) without pleat collapse or media migration.
China's mature metallurgical supply chain allows us to select premium Austenitic Stainless Steel alloys (SUS 316L) and nickel-based superalloys. These materials resist the corrosive actions of various additives and high-temperature environments. Our local integration also shields global clients from supply chain shocks, offering rapid replenishment of consumable filter candles and complete rebuild kits for spinning systems worldwide.
While the initial cost of premium candle filter elements is a factor in procurement, their cleanability and lifespan define the true return on investment. HG's 5th Generation filters are engineered for repeated thermal cleaning cycles (via vacuum pyrolysis ovens or TEG baths) and subsequent ultrasonic restoration. By maintaining low pressure-drops for longer periods, they reduce the energy demands on the primary extrusion motor, resulting in lower power consumption across the lifetime of the nonwoven machine line.
How our technical service suite and equipment configuration safeguard your production continuity.
Our machines are meticulously designed and incorporate the latest technology to ensure maximum production efficiency with minimal energy consumption. We also offer customized solutions to ensure our machines align perfectly with your unique needs.
With rich experience in the nonwoven fabric industry, we will give you thoroughly local market analysis to help you to develop an accurate project feasibility report, minimizing downstream capital risks.
Besides the PP nonwoven fabric making machines, we also provide related machinery including nonwoven recycling machines, fabric slitting machines, flexo printing machines, lamination machines, and nonwoven bag making lines.
After installation, we provide structured training services to make sure your team can operate and run the machine line well. We provide a 24-month warranty and on-site engineer support to solve technical issues quickly and reliably.
High-speed machinery featuring optimized polymer filtration configurations for maximum throughput.
Perfect for packaging nonwoven bags, furniture applications, and agricultural protection fields.
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Engineered for high-barrier medical applications, hygiene healthcare, and protective apparel.
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4-layer composite fabric lines featuring ultra-high filtration efficiency compared to SMS structures.
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Excellent barrier properties and outstanding performance in terms of fabric softness and user comfort.
View Detailed System Configuration →Our deep expertise across diverse sectors guides your team to choose the correct machinery configuration for your business targets.
Essential for breathability, softness, and fluid management. Ideal for baby diapers, adult incontinence pads, and feminine care products.
Delivers critical safety barriers against biological contaminants. Extensively used for surgical gowns, face masks, bed sheets, and towels.
Lightweight, strong, reusable packaging. Widely applied in shopping bags, garment covers, pocket springs, and industrial wrapping.
Permeable fabrics providing frost and insect protection by creating a controlled microclimate around high-value crops.
Get answers to critical technical questions about the operation, design, and selection of industrial polymer melt filters.
Our comprehensive system configurations address diverse web widths, production velocities, and mechanical specifications.
HG NONWOVEN