<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>CR4 - Forum: Chemical &amp; Material Science</title><link>http://cr4.globalspec.com/forum/chemical-material-science</link><description><![CDATA[Development and use of plastics, ceramics, composites, metals and alloys, adhesives, etc.]]></description><copyright>Copyright 2012</copyright><pubDate>Wed, 16 May 2012 08:14:11 EST</pubDate><generator>http://cr4.globalspec.com</generator><item><title><![CDATA[Material]]></title><link><![CDATA[http://cr4.globalspec.com/thread/78043/Material?from_rss=1]]></link><description><![CDATA[When do you chose silicone rubber over polyurethane or vice versa?]]></description><pubDate>Wed, 16 May 2012 08:14:11 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/78043]]></guid><dc:creator>bravo88</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[Mr Andre Pretorius]]></title><link><![CDATA[http://cr4.globalspec.com/thread/78040/Mr-Andre-Pretorius?from_rss=1]]></link><description><![CDATA[Would there be a differance in the strength of a product if gypsum plaster was mixed by hand in product (A) or mixed with a mechanical mixer (B) If so why?]]></description><pubDate>Wed, 16 May 2012 04:46:55 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/78040]]></guid><dc:creator>andre pretorius</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[Wicking Material for Fluid Transfer on a Metal Shaft]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77994/Wicking-Material-for-Fluid-Transfer-on-a-Metal-Shaft?from_rss=1]]></link><description><![CDATA[Hello,

I have an adhesive primer that gets applied to a metal shaft. I am looking for a robust wicking material to transfer the primer from a pot to the shaft. We currently use cotton that we hand roll and fit through a tube to make a wick. This works well for fluid transfer but as people are diffe]]></description><pubDate>Mon, 14 May 2012 15:46:22 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77994]]></guid><dc:creator>bjiii31</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[Cotton Crop Waste]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77986/Cotton-Crop-Waste?from_rss=1]]></link><description><![CDATA[can cotton crop waste used and turn into profitable business]]></description><pubDate>Mon, 14 May 2012 09:53:06 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77986]]></guid><dc:creator>chitrala_mai</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[Carbon/Stainless Cross Contamination]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77906/Carbon-Stainless-Cross-Contamination?from_rss=1]]></link><description><![CDATA[I&apos;ve been told there are kits to use to see if there is cross contamination between Carbon and Stainless steel. Does anyone have any information? I would like one of my suppliers to verify there is no cross contamination of the stainless prior to shipping.

Thanks,

Gary]]></description><pubDate>Thu, 10 May 2012 15:12:51 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77906]]></guid><dc:creator>IrishGary</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[What Alloy Has the Same C of TE as Borosilicate Glass &amp; Pyrex?]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77889/What-Alloy-Has-the-Same-C-of-TE-as-Borosilicate-Glass-Pyrex?from_rss=1]]></link><description><![CDATA[I am having difficulty identifying the metal alloy that was developed to have the same thermal expansion properties as borosilicate glass and Pyrex.

Thanks

L.J.]]></description><pubDate>Thu, 10 May 2012 02:16:54 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77889]]></guid><dc:creator>Laughing Jaguar</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[Orifice Plate Sizing]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77859/Orifice-Plate-Sizing?from_rss=1]]></link><description><![CDATA[Hello,

Can someone help with orifice plate sizing, I cannot seem to get my head around it (I keep getting approx 3mm, it isn&apos;t right!!!

I need a flow to a condenser of 60 m3/h of water.

Flow before orifice (unknown)

P1 is approx 3.5 Barg

P2 (assumption) 3.1 Barg

Pipe Diameter before and after]]></description><pubDate>Wed, 09 May 2012 04:44:52 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77859]]></guid><dc:creator>chemeng</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[Material Identification.]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77853/Material-Identification?from_rss=1]]></link><description><![CDATA[Hi,

Wonder if anyone can assist in the following.

I have a customer requirment stating that for a particular product the binding screws that we use should be nickel plated low carbon steel CHQ 1018 with its chromium content more than 16%. The ones that i am currently using is low carbon steel SAE]]></description><pubDate>Tue, 08 May 2012 23:40:07 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77853]]></guid><dc:creator>moomoo</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[&#xb5;g/cm.square Vs. PPM (Soluble Salt Contamination)]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77824/&#xb5;g-cm-square-Vs-PPM-Soluble-Salt-Contamination?from_rss=1]]></link><description><![CDATA[Please help on this matter which belongs to soluble salt contamination on blasted pipe,

Up to 10ppm is acceptable as per specification but the reading coming in &#xb5;S/cm by the conductivity meter (Elcometer model B-173) while checking, It was our mistake to convert &#xb5;S/cm into &#xb5;g/cm.square (as shown be]]></description><pubDate>Tue, 08 May 2012 01:46:53 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77824]]></guid><dc:creator>Adeel Ahmad</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[Super Capacitors Made By DVD]]></title><link><![CDATA[http://cr4.globalspec.com/thread/77822/Super-Capacitors-Made-By-DVD?from_rss=1]]></link><description><![CDATA[This links to a very interesting new technique to produce graphene using a DVD writer.It also discusses making capacitors by layering these graphene films, however,I cannot find the type of electrolyte used,whether phosphoric acid or ion permeable plastic membrane.I would also like to know how to at]]></description><pubDate>Tue, 08 May 2012 01:03:06 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/77822]]></guid><dc:creator>HiTekRedNek</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item></channel></rss>
