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<title><![CDATA[EC21 Product Catalogs - expansion valves]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/expansion_valves--2839/1/expansion valves.html]]></link><item>
<title><![CDATA[China Supplier Chromite Sand Cr-Sand AFS55-65 AFS 60-65 for Shell Molding Sand]]></title><link><![CDATA[https://haixusissi.en.ec21.com/China_Supplier_Chromite_Sand_Cr--11059632_11958397.html]]></link><description><![CDATA[expansion of chromite sand is small. Linear expansion is a factor that
may cause sand inclusion in castings. Therefore, it may be used to mix wet sand
molds for large castings.
(4) Chromite
sand is s]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
<item>
<title><![CDATA[Ceramite Beads AFS60 for No-back Sand Casting]]></title><link><![CDATA[https://haixu1999.en.ec21.com/Ceramite_Beads_AFS60_for_No--11682588_11683136.html]]></link><description><![CDATA[expansion coefficient
6x10-6 /°C(20-1000°C)
Thermal conductivity
0.698W/M.K(1200°C)
Thermal expansion ratio
0.13%(10 min at 1000°C)
coefficient of angularity
≤1.1
Roundness
Min 95%
3. Typical c]]></description><pubDate><![CDATA[20221129]]></pubDate></item>

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