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<title><![CDATA[EC21 Product Catalogs - air permeability]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/air_permeability--2673/1/air permeability.html]]></link><item>
<title><![CDATA[Medical Infusion Bags, Hoses, and Packaging Bags That Do Not Contain DEHP - Medical Grade PE Composi]]></title><link><![CDATA[https://b76226024.en.ec21.com/Medical_Infusion_Bags_Hoses_and--12065038_12070214.html]]></link><description><![CDATA[permeability, air permeability and migration, 
especially because the water vapor permeability of the liquid in the 
package caused by temperature is extremely low, so that the 
concentration of the ]]></description><pubDate><![CDATA[20260518]]></pubDate></item>
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<title><![CDATA[Silicone Rubber Rollers]]></title><link><![CDATA[https://foshang05.en.ec21.com/Silicone_Rubber_Rollers--11962078_11962090.html]]></link><description><![CDATA[permeability
Compared with other polymer materials, silicone rubber roller has extremely superior air permeability. The air permeability at room temperature is 30-40 times higher than that of natural]]></description><pubDate><![CDATA[20240703]]></pubDate></item>
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<title><![CDATA[PTFE/Teflon Mesh Screen Conveyor Belt]]></title><link><![CDATA[https://dlhh.en.ec21.com/PTFE_Teflon_Mesh_Screen_Conveyor--69929_6367970.html]]></link><description><![CDATA[Permeability-It
can avoid wasting heat and improve drying efficiency for its permeability.
3. Chemical
resistance-It can resist all most of chemical medicines.
4. Non
Stick-It can easily remove all k]]></description><pubDate><![CDATA[20200623]]></pubDate></item>
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<title><![CDATA[Nitrogen Membrane / N2 Membrane / Membrane]]></title><link><![CDATA[https://cellfatech.en.ec21.com/Nitrogen_Membrane_N2_Membrane_Membrane--3958722_6679842.html]]></link><description><![CDATA[permeability speed as product gas, come out later through the end of hollow fiber, When the compressed air pass through the membrane. The principle is to make use of the difference of the permeabilit]]></description><pubDate><![CDATA[20160829]]></pubDate></item>
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<title><![CDATA[Filter Elements &amp; Filter Cartridge for Sale]]></title><link><![CDATA[https://paier.en.ec21.com/Filter_Elements_Filter_Cartridge_for--11744725_11806337.html]]></link><description><![CDATA[permeability
High efficiency of precision filter element
Precision filter element airtightness
Corrosion resistance of precision filter element
Filter Element Characteristics
Filter Element Character]]></description><pubDate><![CDATA[20230614]]></pubDate></item>
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<title><![CDATA[AC Hose Manufacturer]]></title><link><![CDATA[https://sanyeflex.en.ec21.com/AC_Hose_Manufacturer--11786238_11851257.html]]></link><description><![CDATA[https://www.sanyeflex.com/automotive-a-c-hose-series/
Automotive A/C Hose Series
AC Hose Manufacturer
Air conditioning hose is widely used in air-conditioning systems of various vehicles (cars, machi]]></description><pubDate><![CDATA[20231007]]></pubDate></item>

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