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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 417 Ju Lu Road, Unit 1005. Shanghai, China 200020
Email: gongye@shgongye.com  Tel: 86-021-55662371, 55662372  Fax: 86-021-61304657, 55662371*8009