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<title><![CDATA[EC21 Product Catalogs - crystal head]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/crystal-head--2002/1/crystal head.html]]></link><item>
<title><![CDATA[High Purity 50/100/150/250/500nm Nano Diamond Powder]]></title><link><![CDATA[https://ivy125banner.en.ec21.com/High-Purity-50-100-150--10847901_10848886.html]]></link><description><![CDATA[heads, quartz sheets, super hard alloys, optical lenses and other hard materials ;
2. Electroplating and Non-electroplating with high hardness and wear resistance ;
3. Metal composites with high hard]]></description><pubDate><![CDATA[20250327]]></pubDate></item>
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<title><![CDATA[70 75 88/90% Black Silicon Carbide in 1-10mm]]></title><link><![CDATA[https://luna2019.en.ec21.com/70-75-88-90--10963116_10961268.html]]></link><description><![CDATA[crystallization, bigger crystals, higher purity, and fewer impurities.(2) Good hardness, longer life.(3) Chemical washed and water washed good cleanness.(4) Specially treated products get higher puri]]></description><pubDate><![CDATA[20240423]]></pubDate></item>
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<title><![CDATA[Diamond Fiber Optic Polishing Paper for Connectors]]></title><link><![CDATA[https://zksfiber.en.ec21.com/Diamond-Fiber-Optic-Polishing-Paper--11869227_11869228.html]]></link><description><![CDATA[heads and hard disks
·Lapping and polishing for optical glasses, optical crystal , LED
·Lapping and polishing for Semiconductor wafer (gallium arsenide, indium phosphide etc.)
·Edge polishing for ]]></description><pubDate><![CDATA[20231122]]></pubDate></item>
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<title><![CDATA[150mesh Black Silicon Carbide Price Black Sic Powder]]></title><link><![CDATA[https://scmesue.en.ec21.com/150mesh-Black-Silicon-Carbide-Price--11059908_11059915.html]]></link><description><![CDATA[head, grinding paste and surface grinding and polishing of mono crystalline silicon, poly crystalline silicon and various devices in photo voltaic products.
2.Advanced Refractories
It can be used as ]]></description><pubDate><![CDATA[20200205]]></pubDate></item>

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