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<title><![CDATA[EC21 Product Catalogs - lasses]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/lasses--271399/1/lasses.html]]></link><item>
<title><![CDATA[Large-field Quantative Glass Polariscope]]></title><link><![CDATA[https://ptc0210.en.ec21.com/Large_field_Quantative_Glass_Polariscope--11405134_11405141.html]]></link><description><![CDATA[Large-field Polariscope (Ref. PSV-413 L ) 
Function
1. 
Observe thermal 
stress distribution after annealing 
2. 
Measure glass tempering grade 
3. 
Measure optical retardation caused by
thermal
stre]]></description><pubDate><![CDATA[20220328]]></pubDate></item>

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