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Flexible Graphite Yarn

 

Flexible Graphite Yarn is made of Pure Flexible Graphite Tape. It is twisted and treated by special process and treatment. During the process, the graphite is reinforced with threads of cotton or other materials. It is suitable for sealing under different media, circumstances, temperature, and pressure.

Flexible Graphite Yarn is the basic material for braided packing.

APPLICATIONS

  • Braided graphite packing .Braided sleeves or tubes
  • Woven cloths and woven tapes
  • Emergency repair tool for leaking pumps and valves.
  •  
    Flexible Graphite Yarn Properties
     
    Bulk Density
    lbs/ft3
    56.25-81.25
    0.90-1.30
    Reinforcement
    %
    5-10 (Cotton, Glass Fiber)
    3-8 up to request (Inconnel)
    Adhesive Content
    %
    <1
    Carbon Content
    %
    >90 (in packing)
    >98 (in graphite)
    Ash Content
    %
    <1
    Sulfur Content
    ppm
    <1200<50
    Fluorine Content
    ppm
    <50
    Chlorine Content
    ppm
    <50
    Fluid Resistence
    0-14 pH
    Recovery
    %
    >15
    Compressibility
    %
    25-50
    Friction Factor
    %
    <0.20
    Applied Temp Range

    °F

    °C

    -328-1562
    -328-2912 (in non oxidizing atmosphere)
    -200-850
    -200-1600 (in non oxidizing atmosphere)
    Ignition Weight Loss
    %
    <10 842°F burnt 3 hours
    450°C burnt 3 hours
    Tensile Strength
    (without inconnel wire)
    bar
    >220 (0.0013 lbs/ft reinforced with cotton
    >950 (0.0013 lbs/ft reinforced with fiber glass)
    >300 (0.002 lbs/ft reinforced with cotton)
    >1400 (0.002 lbs/ft reinforced with fiber glass)
    >500 (0.0036 lbs/ft reinforced with cotton)
    >2200 (lbs/ft reinforced with fiber glass)
     
    Flexible Graphite Yarn Standard Sizes
     
    CODE
    REINFORCED MATERIALS
    YIELD
    GRY-C 100% Cotton FIber
    3000ft/lb(2g/m)
    4500ft/lb (3g/m)
    7500ft/lb (5g/m)
    15000ft/lb (10g/m)
    GRY-C-1 80% Cotton Fiber + 20% Inconel Wire
    GRY-P 100% Polyester Fiber
    GRY-G Glass Fiber
    GRY-G-I Glass FIber + Inconel Wire
    GRY-C-C Cotton Fiber + Cotton Fiber
    GRY-OUTI-C Outside-braided Inconel Wire + Cotton Fiber
    GRY-OUTI-G Outside-braided Inconel Wire + Glass Fiber
     
    Flexible Packaging of Graphite Yarn
     
    10 lbs/spi
    5 kgs/spi
    4 spls/ctn
    5 lbs/spi
    2.5 kgs/spi
    8 spls/ctn
     
    Based on Order, Special Sizes and Packaging are Available.
     
    Data are avarage results of test conducted under standard procedures and are subject to variation. Results should not be used for specification purposes. Note: A material safety data sheet is available upon request. The information, recommendations and opinions set forth herein are offered solely for your consideration, inquiry and verification, and are not, in part or total, to be construed as constituting a warrant or representation for which we assume legale responsibility. Nothing contained herein is to be interpreted as authorization to practice patented invention without a license.
    Shanghai GongYe International Co.,Ltd Jin Hong Business Mansion, 490 Guo He Road, 6th Floor, Unit 608. Shanghai, China 200433
    Email: gongye@gongyeinc.com  Tel: 86-021-55662371, 55662372  Fax: 86-021-61304657, 55662371*8009