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<title><![CDATA[EC21 Product Catalogs - copper tungsten]]></title>
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<title><![CDATA[PTFE (Teflon) Spring Ring]]></title><link><![CDATA[https://maxtide703.en.ec21.com/PTFE_Teflon_Spring_Ring--10231271_10795076.html]]></link><description><![CDATA[copper (Cu), molybdenum (Mo), nickel (Ni), aluminum (Al), silver (Ag), tungsten (W), and iron (Fe) improves thermal conductivity. 
4. Filled polyimide (PI) or polyphenol ester (POB or PHB) improves w]]></description><pubDate><![CDATA[20181203]]></pubDate></item>

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