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<H4><FONT COLOR="C00000">www.Quartz.com
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<H2>National Scientific Company</H2>
<H4><I><FONT COLOR="0000CC">Clear Fused Quartz Tubing, Rod & Custom Fabrication
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<I>Authorized Momentive GE Fused Quartz Distributor/Fabricator<BR>
<FONT COLOR="C00000"> Founded 1950</FONT></H3></I>
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<LI>Same Day Shipping of Quartz Tubing & Rod from Large Inventory<br>
<LI>Stock Materials - Fused Quartz Tube & Rod<br>
- Polished Plate, Wool and Crucibles<br>
- Screened & Cleaned Crushed Quartz<br>
<LI>Corning Pyrex ® (Borosilicate) Tubing, Rod and Plate<br>
<LI>Custom Fabrication - Semiconductor Quartzware<br>
- Light Pipes & Windows<br>
- Laboratory Glassware<br>
<LI>Ground Glass Joints, Flasks and Beakers<br>
<LI>Ground or Polished Solid Stock and Custom Machined Shapes<br>
<LI>Diamond & Silicon Carbide Glass Cut-off Wheels<br>
<LI>Electric Furnaces for Quartz and Borosilicate Annealing<br>
<LI>Specializing in - Quartzware for the Crystal Growth Industry<br>
- Stock Material Distribution<br>
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<FONT COLOR="0000CC">formerly</FONT><BR>
National Scientific Company<BR>
Quakertown, PA USA<BR></H4>
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E-mail: <A HREF="mailto:sales@quartz.com">sales@quartz.com</A></H5>
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<P>
<IMG SRC="rb.gif" width="12" height="12">
<A HREF="quartz.html">Fused Quartz Tubing & Rod Catalog</A>
<I>(Effective 10/1/17)</I>
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<A HREF="gedata.html">Fused Quartz Properties & Usage Guide</A>
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<A HREF="qtzmsds.html">Fused Quartz MSDS</A>
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<H4><IMG SRC="rb.gif" width="12" height="12">
<A HREF="pyrex.html">Corning PYREX Tubing - Standard Wall</A>
<I>(Effective 5/31/19)</I>
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<A HREF="pyrex.html</A>
<I>(Effective 5/31/19)</I>
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<A HREF="pyrex.html">Corning PYREX Tubing - Heavy Wall</A>
<I>(Effective 5/31/19)</I>
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<A HREF="pyrex.html">Corning PYREX Tubing - Special Wall</A>
<I>(Effective 5/31/19)</I>
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<A HREF="pyrex.html">Corning PYREX Tubing - Capillary</A>
<I>(Effective 5/31/19)</I>
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<A HREF="pyrex.html">Corning PYREX Tubing - Rod</A>
<I>(Effective 5/31/19)</I>
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<A HREF="pxprop.pdf"> Corning PYREX Technical Data</A>
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<A HREF="pxtherm.pdf"> Corning PYREX Thermal Properties</A>
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<A HREF="pxmsds.pdf"> Corning PYREX MSDS</A>
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<A HREF="nsquotew.html">On-line Quotation Request Form</A>
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<A HREF="nsorderw.html">On-line Tubing & Rod Order Form</A>
<I>(Domestic Orders Only)</I>
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<H5>Visitor number
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Copyright © 1996-2019 National Quartz
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