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          <td height="593"><p align="left"><i><b><font size="+1" face="Arial, Helvetica, sans-serif">V1238-95 Extrusion Resistant
Fluorocarbon</font></b></i></p>
            <p align="center"><font size="-1" face="Arial, Helvetica, sans-serif"><b>V1238-95 
              fluorocarbon offers extrusion resistance<br>
              and premier sealing performance in high-pressure,<br>
              high-temperature environments</b></font></p>
            <p align="left"><font size="-1" face="Arial, Helvetica, sans-serif"> 
              <b><font size="-1" face="Arial, Helvetica, sans-serif"><img src="p6a.jpg" width="200" height="213" hspace="2" border="1" align="right"></font></b>Compound 
              V1238-95 was developed to satisfy customers who experience difficult 
              high-pressure, hightemperature extrusion problems. Typically, an 
              extrusion resistant compound will usually have inferior physical 
              properties and chemical resistance as well as unfavorable compression 
              set resistance. V1238-95 however, has a unique combination of superior 
              physical and chemical properties, excellent compression set resistance, 
              and superior extrusion resistance. </font></p>
            <p align="left"><font size="-1" face="Arial, Helvetica, sans-serif">Traditionally, 
              compounding for extrusion resistance has been a function of material 
              hardness. Now, using proprietary compounding technology, we offer 
              a fluorocarbon seal material with all the desirable properties needed 
              in today’s tough oilfield applications.</font></p>
            <p align="left"><font size="-1" face="Arial, Helvetica, sans-serif"> 
              <b>Mechanics of Extrusion:</b><br>
              Extrusion occurs when a gas or liquid under high pressure, forces
              the seal material into any clearance gap between the sealed surfaces.
              The larger the diametrical clearance, the more likely extrusion
              will occur. Elevated temperature and chemical compatibility may
              also effect potential for seal extrusion. The table below illustrates
              the general limits for extrusion as a function of pressure, clearance
              gap and material hardness for standard material formulations. Extrusion
              is characterized by “nibbling”, which is a chewed or chipped appearance
               on the low pressure side of the seal, or of seam materials actually
              
              being forced to flow into the clearance gap.</font></p>
            <p align="left"><font size="-1" face="Arial, Helvetica, sans-serif">V1238-95 
              exhibits more than twice the extrusion resistance of standard 90 
              durometer materials making it the clear choice for effective sealing 
              in severe environments requiring extreme pressure, temperature and 
              chemical resistance. Recommended operating temperature range for 
              V1238-95 is –15° to +400° F. Typical recommended fluids include 
              petroleum oils, di-ester based and silicate ester based lubricants, 
              silicone fluids and greases, halogenated hydrocarbons, acids, and 
              selected phosphate ester fluids.</font></p>
            <p align="left"><font size="-1" face="Arial, Helvetica, sans-serif"><img src="p6b.gif" width="400" height="475"></font></p>
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