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W ater T ech. Thermally Bonded (Melt Blown) Polypropylene Filter Cartridges. Water Tech Thermally Bonded Filter Cartridges. Advantages vs. String Wound: Higher Capacity Graded Density No Surface Blinding Less Fouling No Fiber Unloading No Chemical Leaching Higher Flow Rate

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w ater t ech
Water Tech

Thermally Bonded (Melt Blown)

Polypropylene Filter Cartridges

water tech thermally bonded filter cartridges
Water Tech Thermally Bonded Filter Cartridges

Advantages vs. String Wound:

Higher Capacity

  • Graded Density
  • No Surface Blinding

Less Fouling

  • No Fiber Unloading
  • No Chemical Leaching

Higher Flow Rate

  • Low Pressure Drop
  • Superior Structure

Cost Effective

water tech thermally bonded filter cartridges1
Water Tech Thermally Bonded Filter Cartridges

Higher Capacity:

  • Graded Density
    • Denser inner layers, more lower density outer layers.
  • No Surface Blinding
    • Particles trapped throughout cross-section of filter.
water tech thermally bonded filter cartridges2
Water Tech Thermally Bonded Filter Cartridges

Less Fouling:

  • No Fiber Unloading
    • Made of continuous melt-blown filaments.
    • No fibers migrate to RO.
  • No Chemical Leaching
    • No chemicals used in melt blown process.
    • No downstream foam in filtrate.
  • Higher Dirt Holding Capacity
water tech thermally bonded filter cartridges3
Water Tech Thermally Bonded Filter Cartridges

Higher Flow Rate:

  • Low Pressure Drop
    • Three-dimensional, rigid, low pressure structure.
    • Improved solid to void ratio for higher flow rates with low pressure drop.
  • Superior Structure
    • 100% pure polypropylene homo-polymer
    • Polypropylene core
    • Wide chemical compatibility.
    • Excellent micro-organism resistance.
    • Excellent end sealing.
    • Easy disposal, incinerates to trace ash.
water tech thermally bonded filter cartridges performance data

Test Method: Retention Efficiency andCapacity per ASTM F795Instrumentation: LD 400 SN 95020054

Fluid: WaterTemperature: AmbientContaminant: ISO Fine Test Dust

Test Method: Retention Efficiency andCapacity per ASTM F795Instrumentation: LD 400 SN 95020054

Fluid: WaterTemperature: AmbientContaminant: ISO Fine Test Dust

Test Method: Efficiency and Capacityper ASTM F795-88Instrumentation: LD 400 SN 95020054

Fluid: WaterTemperature: AmbientContaminant: ISO Fine Test Dust

Test Method: Water atambient temperature (25 °C.)Flow in US gallons per minute

Water Tech Thermally Bonded Filter CartridgesPerformance Data:
water tech thermally bonded filter cartridges4
Water Tech Thermally Bonded Filter Cartridges

Cost Effective:

  • Less RO fouling
  • Less labor requirement
  • Less equipment downtime
water tech thermally bonded filter cartridges5
Water Tech Thermally Bonded Filter Cartridges

Applications:

  • RO Pretreatment (SDI Reduction)
  • Drinking Water and Beverage Processing
  • Sea Water Desalination
  • Deep Well Injection
  • Gas Purification
  • Cooling Tower Water Filtration
  • Electronics and Electroplating
  • Industrial Process Water
  • Pharmaceutical & Healthcare
  • Chemical Industry
  • ED Automotive Paint
  • Photographic Solutions
  • Wastewater Disposal
  • And more …
conventional string wound filter cartridges
Conventional String Wound Filter Cartridges

Problems with Conventional String Wound Media:

  • Fiber Unloading
    • Short fibers not properly or fully locked into main body.
    • Fibers come loose and migrate to RO or filtrate.
    • Loose fiber ends clearly seen in spiral wound yarn media.
  • Chemical Leaching
    • String Wound yarn finish chemicals (lubricants, surfactants, antistatic agents, emulsifiers, bactericides, etc.) leach out.
    • Can cause foaming in filtrate.
  • Surface Blinding
  • Low Dirt Holding Capacity
  • Typically Higher Pressure Drop

String Wound Yarn Media