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Filter Media Nomex Needle Felt High Temperature Resistant

Filter Media Nomex Needle Felt High Temperature Resistant

    • Filter Media Nomex Needle Felt High Temperature Resistant
    • Filter Media Nomex Needle Felt High Temperature Resistant
  • Filter Media Nomex Needle Felt High Temperature Resistant

    Product Details:

    Place of Origin: China
    Brand Name: ECOGRACE
    Certification: SGS
    Model Number: 160x3000
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    Detailed Product Description
    Minimum Order Quantity: 300PCS Price: 4-15USD/PCS
    Packaging Details: Poly Bag Or Paper Cartons Delivery Time: 25 Days
    Payment Terms: T/T ,L/C Supply Ability: 20000pcs/month

    Filter Media Nomex needle felt High temperature Resistant

     

    NOMEX  filters offer one of the best total economies in a filtration system because of higher air to cloth ratios, higher temperature capability, and a long wear life.

    Properties:

    1) Performs at high temperatures

    NOMEX Needle Felt  can be used continuously at operating temperatures up to 218°C (425°F) , and can handle higher temperature surges. However, to optimize bag wear life, continuous temperatures of 204°C (400°F) and lower with minimum temperature surges are recommended.

    2) Resists flexing and abrasion

    Flex resistance of NOMEX Needle Felt  at room temperature is good, about equal to that of polyester fibers; after aging at temperatures of 121°C (250°F) and above its toughness if excellent. Nomex needle felt  should give more than three times the wear life of polyester at 121°C (250°F) and above.

    3) Effect of moisture

    NOMEX® performs well at high operating temperatures with normal amounts of moisture. The wear life projections in the below graphs were developed using 6-10% H20. Higher levels of moisture and temperature shorten wear life. When operating in high moisture environments it would be worthwhile to investigate reduction of temperature to reduce wear life. For example with 20% H20, operating hours could be increased from 2,300 hours to 35,000 hours (15X) by reducing the temperature from 204°C (400°F) to 148°C (300°F).

    4) Resists Chemicals

    NOMEX  aramid fiber resists attacks by mild acids, mild alkalis, and most hydrocarbons. In addition customers report it to be unaffected by fluorine compounds in gas effluent from metallurgical and rock processing operations. In acid environments, evaluation of NOMEX needle felt should be made to ensure that the fiber will perform acceptably before insulation. NOMEX Needle Felt  is an acid environment, at temperatures above the dew point, will outperform polyester. Temperatures above the dew point should be maintained to minimize chemical attack on NOMEX Filter bags and the equipment. The system should be warmed before putting on stream and dried before being shut down to minimize chemical attack. To optimize bad life when acid gases are present in the gas stream, the lowest operating temperature that is safely above the dew point should be used. Higher temperatures expedite chemical attack.

    5) Dimensional Stability

    NOMEX Needle Felt Nomex Filter bags  is one of the most dimensionally stable fibers available. Fibers of NOMEX  properly manufactured and finished, should neither stretch nor shrink over 2% when operated at temperatures up to 218°C (425°F).

    6) High temperatures

    The most effective use of NOMEX  aramid is in high efficiency filtering systems where effluent temperatures are above 250°F or in systems with surges over 250°F. In hot gas filtration systems, fabrics of NOMEX Needle Felt  require less filter area, for equal gas volume and efficiencies, than fiber glass.

     

    The technical data of Nomex needled felt

     

     

    Article Name

    Nomex needled felt

    Ingredients

    Fiber

    100% Nomex

    Scrim

    100% Nomex

    Weight

    g/m2

    500

    Thickness

    mm

    2

    Density

    g/m³

    0.24

    Permeability

    L/dm2.min

    150

    Tensile breaking

     strength(N/5cm)

    Warp

    ≥800

    Weft

    ≥1000

    Elongation @200N/5cm

    Warp

    <5

    Weft

    <5

    Maximum shrink

    of 90 mins

    Temperature(°C)

    250

    %

    ≤1

    Service Temperature(°C)

    Continuous

    200

    Instant

    240

    Finishing

    Singeing

     

    Contact Details
    GRACE FILTER MANUFACTURING (U.K) LTD

    Contact Person: Mr. Jim Lin

    Tel: 86-571-86058862

    Fax: 86-571-86073956

    Send your inquiry directly to us (0 / 3000)

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