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<title><![CDATA[EC21 Product Catalogs - pyrex]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/pyrex--271303/1/pyrex.html]]></link><item>
<title><![CDATA[Optical Glass Window Quartz,Pyrex,Sapphire,Znse,CAF2,Ge,Si,Corning 7980  Window]]></title><link><![CDATA[https://kelly258.en.ec21.com/Optical-Glass-Window-Quartz-Pyrex--10844532_10844547.html]]></link><description><![CDATA[Optical Glass Window 
Sunday produce window, shape as round, square, rectangular, customer shape, make hole is also available.
Substrate Material:optical glass,quartz,pyrex,sapphire,znse,caf2,ge,si,c]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[OEM Sapphire Glass Window Infrared Substrate Ar Coating]]></title><link><![CDATA[https://xinxingliangoptics12.en.ec21.com/OEM-Sapphire-Glass-Window-Infrared--11974281_11974291.html]]></link><description><![CDATA[window, shape as round, square, rectangular, customer shape, make hole is also available.
Substrate Material:optical glass,quartz,pyrex,sapphire,znse,caf2,ge,si,corning 7980
Diameters Available:1mm t]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Manufacturer Customized RoHS Optical Glass Aspherical Lens for Lighting System]]></title><link><![CDATA[https://june20210728.en.ec21.com/Manufacturer-Customized-RoHS-Optical-Glass--11547959_11547960.html]]></link><description><![CDATA[Product Description
Capacity: 
Material: BK7,B270, Pyrex
Diameter: 10~300mm
Diameter tolerance: +0.00/-0.15mm
Center thinckness: ±0.5%
Focus: ±7%
Glass
aspheric lens is also called condenser lens, ]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[Lens Aspherical Lens Optical LED Glass Aspherical Lens for Stage Light]]></title><link><![CDATA[https://worldhawkcindy.en.ec21.com/Lens-Aspherical-Lens-Optical-LED--11492748_11492752.html]]></link><description><![CDATA[Flatness
Surface Quality
Clear ApertureN-BK7 Glass, Pyrex, Fused Silica, Crown glass...
10-180mm
±0.05mm
±0.1mm
&gt;1mm
±1
3 arc minutes
2 Lambda at 632.8nm
40/20 or 60/40
&gt;95%
]]></description><pubDate><![CDATA[20240201]]></pubDate></item>

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