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<p class="MsoNormal">In the Model E SB-200E guide the double sector Kel-F is rated for 60K for double sector and 20k for 6 channel. The guide states good compatibility with most acids, alkalies and organic solvents. I don’t have the exact date when these were
discontinued, but they are likely 30+ years old at this point. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img width="641" height="401" id="Picture_x0020_2" src="cid:image002.png@01D0BF17.4D67B6A0"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Constantia","serif"">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><img width="207" height="206" id="Picture_x0020_1" src="cid:image003.gif@01D0BF17.4D67B6A0" alt="Description: Outlook Signature copy"></span><span style="font-size:11.0pt;font-family:"Constantia","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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