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<title><![CDATA[EC21 Product Catalogs - pvc coupler]]></title>
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<title><![CDATA[Cold Color Changing Powder Thermochromic Powder Water Color Changing Powder]]></title><link><![CDATA[https://liyingsuhua.en.ec21.com/Cold_Color_Changing_Powder_Thermochromic--10990926_10990968.html]]></link><description><![CDATA[Principles of Thermochromic Materials Microcapsules are coated with invisible dyes, couplers and temperature control agents. Color materials with different temperature intervals can be produced by se]]></description><pubDate><![CDATA[20190807]]></pubDate></item>

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