Product Overview
As one of the most widely‑used consumables for liquid pretreatment, pp melt‑blown filter cartridge is designed for multi‑stage depth filtration in industrial water and chemical fluid processing. Different from surface‑type filter elements, this progressive‑density cartridge traps contaminants inside the whole filter matrix instead of only on the outer surface. It is commonly installed inside Water Filter Element supporting housings, serving as the first‑stage barrier to protect downstream RO membrane, ion‑exchange resin and precision pleated cartridges. Made of 100% hot‑melt polypropylene without any chemical adhesive, it performs well for acid‑alkali working conditions in chemical plant, electroplating and food‑beverage production lines.
Basic Technical Parameters
| Filter material | Pure polypropylene (PP) |
| Outer diameter | 63mm / 110mm |
| Inner diameter | 28mm / 30mm |
| Available length | 10",20",30",40",50",60" |
| Filtration precision | 1μm,3μm,5μm,10μm,25μm,50μm,75μm,100μm,150μm |
| Max operating temperature | 80℃ |
| Max differential pressure(21℃) | 20 Bar |
| Seal options | Silicone, EPR, NBR, FPM |
Typical Application Scenarios
This PP melt‑blown cartridge focuses on coarse‑to‑medium pre‑filtration scenarios. In seawater desalination projects, it removes suspended silt and large‑size particulate before RO systems to extend expensive membrane service life. For electroplating workshops, it filters plating solution to reduce particle defects on workpiece surface. It is also applied for imaging liquid, ink, chemical solvent filtration and drinking‑water pretreatment. Many small‑and‑medium chemical factories select multiple‑length combinations according to actual flow demand.High Flow Filter Cartridge can be selected for projects with much larger throughput requirement.
Core Product Advantages
The unique progressive density structure greatly improves dirt‑holding capacity, which means longer service interval and fewer cartridge replacement cycles. Hot‑melt forming technology avoids secondary contamination caused by glue dissolution under chemical‑liquid immersion. Reinforced surface fiber structure effectively reduces fiber‑shedding risk, preventing fine fiber fragments from entering subsequent process pipelines. Multiple sealing‑ring material choices match diverse corrosive fluid requirements. Oil Filtration Machine series adopt similar non‑adhesive filter‑element manufacturing philosophy for solid‑liquid separation.
Manufacturer & Factory Strength
Xinxiang Lifeierte Filter Corp.,Ltd (Stock Code:837936) owns complete melt‑blown production workshop for water filter cartridges. Every batch of PP melt‑blown cartridges will go through dimensional inspection, bubble‑point integrity test and material‑compatibility sampling‑test before delivery. We can support small‑batch trial‑order and large‑volume project order. Custom length and special sealing configurations are acceptable for non‑standard housing. replacement imported filter element production line shares the same QC‑testing standard system.
FAQ
Q1：What media are not suitable for PP melt‑blown filter cartridge?
A1：Pure poly‑propylene material cannot resist strong organic solvents such as concentrated aromatic solvent. For such condition, please choose PTFE‑series pleated filter cartridges.
Q2：Can the PP melt‑blown filter cartridge be cleaned and reused?
A2：It belongs to depth‑type disposable consumable. Back‑washing can get partial dirt off, but cannot restore original filtration performance; we recommend direct replacement once differential‑pressure reaches alarm value.
Q3：What common end‑cap connection types do you provide?
A3：We supply standard flat‑end, 222 fin, 226 fin connections to match mainstream filter housings in global market.
Q4：How do I choose proper precision for RO pre‑filtration?
A4：For RO security pre‑filter, 5μm or 10μm PP melt‑blown cartridge is the most common selection according to raw‑water turbidity data.
Q5：Do you offer sample service for performance verification?
A5：Small‑quantity samples are available for customer lab‑test or on‑site trial‑run. Please send housing dimension, fluid medium and working temperature to confirm specification.
Reference standard: ISO 16889 Multi‑pass test method for filter‑element performance evaluation contact our engineering team
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