P84 (polyimide) needle felt 

  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail

    Product Tags

    Product Name: P84 (polyimide) needle felt 
    Specification:  

    P84 polyimide needlefelts are excellent high temperature filter media in terms of performance, generally surpassing the other standard media with the exception of PTFE.

     

       P84 Fiber Features

    • Excellent steady under high temperature and resistance to acid
    • P84 can operate continuously, under practical and low acid working conditions, at temperatures up to 500 F(260 ).
    • High filtration efficiency, high tensile strengh
    • The complex cross sectional shapes create 30-90% more collection surface area when compared to round or oval shaped fibers.
    • Low back washing pressure, maximun flexibility
    • The unique tri-lobal fiber structure of P84 provides customers with high efficiency filtration, low pressure drop, and reduced cleaning energy.
    • Excellent dust cake release
    • P84 has irregular, tri-lobal fibers that provide better collection efficiencies and enhanced dust cake release properties.

       Disadvantages
         – Fair resistance to alkali

       Applications
         – Incinerator plants,

         – Cement Kiln gas

         – Lowacid coal fired boilers

         – Asphalt/hot mix plants flue gas

         – Minerals processing

         - Soil remediation facilities

     

    Compositions

    P84/P84 scrim

    P84/galss scrim

    Weight (g/m2)

    450

    500

    550

    800

    850

    900

    Thickness (mm)

    2.1

    2.3

    2.5

    2.5

    2.8

    3.0

    Permeability (m3/m2/min)

    19

    15

    12

    16

    13

    10

    Tensile strength(N/5 20cm)

    Warp

    650

    700

    800

    1800

    1800

    1800

    Weft

    1150

    1200

    1300

    1800

    1800

    1800

    Tensile Elongation ()

    Warp

    35

    35

    35

    10

    10

    10

    Weft

    55

    55

    55

    10

    10

    10

    Broken strength
    (Mpa/min)

    2.55

    2.50

    2.40

    3.20

    3.10

    2.95

    Working Temperature()

     260

     260

    Short time Working temperature()

    280

    280

    Anti-acid

    Excellent

    Excellent

    Anti-alkali

    Fair

    Fair

    Anti-abrasion

    Excellent

    Excellent

    The stability of water solution

    Medial

    Medial

    Finishing treatment

    High temperature hot pressing, Singeing

    High temperature hot pressing, Singeing, membrane.


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