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<title><![CDATA[EC21 Product Catalogs - hf acid]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/hf-acid--2673/1/hf acid.html]]></link><item>
<title><![CDATA[NB200/200pfc/250pfc/350/500]]></title><link><![CDATA[https://cindydun27.en.ec21.com/NB200-200pfc-250pfc-350-500--11924852_11925061.html]]></link><description><![CDATA[200A/250A/300A/400A/500A/630A DC TIG Welder/MMA Welder/DC Welder/TIG Welding Machine Lift TIG/Hf TIGWelding Machine, Tig Welder, Welding Equipment, Arc/MMA/ZX7 Welding Machine, Inverter Welding, Dc W]]></description><pubDate><![CDATA[20240415]]></pubDate></item>
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<title><![CDATA[Chemical Etching Tungsten Alloy Metal Etching Tungsten]]></title><link><![CDATA[https://wetetching.en.ec21.com/Chemical-Etching-Tungsten-Alloy-Metal--11869908_11869941.html]]></link><description><![CDATA[acid (HF) and nitric acid (HNO3) as the etchant solution. This combination of acids is effective in etching tungsten because it can react with the metal to form soluble tungsten fluoride compounds. T]]></description><pubDate><![CDATA[20231124]]></pubDate></item>
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<title><![CDATA[API 16A Double Ram Bop/Blowout Preventer for Sale]]></title><link><![CDATA[https://jolinfu123.en.ec21.com/API-16A-Double-Ram-Bop--11830699_11841162.html]]></link><description><![CDATA[acid medium and specially heat treatment.
2. The BOP using the inner flow to avoid damaging the pipe during installing, transporting and operating
3. Door seal of the high pressure BOP uses combined ]]></description><pubDate><![CDATA[20230904]]></pubDate></item>

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