STYLE 2550/2551
Crinkled Flexible Graphite Tape

CONSTRUCTION
Styles 2550 and 2551 crinkled flexible graphite tape are made from high purity graphite with no fibers, binders or other additives.
Style 2550 crinkled tape is typically used as a stuffing box packing for pumps and valves. Style 2551 is the same as 2550 except that it is furnished with a self-adhesive backing strip to facilitate installation as a form-in-place gasket, thread sealant, or for wrapping jacketed and other difficult-to-seal gaskets.

APPLICATION / SERVICE
Flexible graphite covers a broad range of sealing applications. It handles most chemicals in the 0 - 14 pH range at cryogenic and elevated temperatures, and from vacuum to extreme pressures. It is used extensively in the chemical, automotive and pump and valve industries.

SERVICE LIMITS
Temperature Limits:  
Minimum
-320F (-200C)
In Air: 900F (480C)
In Steam: 1200F (650C)
 
In Reducing or Inert Media: 5400F (3000C)
Pressure Limits: Static 2000 psi (137 bar)
 
 
Carbon Content: 98% minimum
   
pH Range: 0-14
Leachable Chlorides: 50 ppm maximum
 
 
Total Slfur: 1000 ppm maximum
 
 
STANDARD PACKAGING*
 
Tape Thicknesses*
.015
Tape Width*
1/4, 3/8, 1/2, 3/4, 1, 1-1/4, 1-1/8 1-3/4, 2
Standard Spool Lengths*1/4" thru 1-1/8"...50' and 100': 1/4" thru 1-1/8"...50' and 100' 
 

*other thicknesses, widths, and spool lengths are available on special order

Properties and application parameters shown are typical and are presented in good faith but no warranty is expressed or implied. This edition supersedes all previous issues and all data is subject to change without notice. 11/96

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