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	<title>The Glass Painter&#039;s Method by Williams &#38; Byrne &#187; Stained glass media</title>
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		<title>Tools, Materials and Techniques</title>
		<link>http://www.realglasspainting.com/announcements/2010/08/22/tools-materials-and-techniques/</link>
		<comments>http://www.realglasspainting.com/announcements/2010/08/22/tools-materials-and-techniques/#comments</comments>
		<pubDate>Sun, 22 Aug 2010 19:19:40 +0000</pubDate>
		<dc:creator>Stephen Byrne</dc:creator>
				<category><![CDATA[Announcements]]></category>
		<category><![CDATA[Stained glass media]]></category>
		<category><![CDATA[Stained glass painting tools]]></category>
		<category><![CDATA[badger blender]]></category>
		<category><![CDATA[gum Arabic]]></category>
		<category><![CDATA[hake brush]]></category>
		<category><![CDATA[scrub brush]]></category>
		<category><![CDATA[stained glass paint]]></category>
		<category><![CDATA[tracing brush]]></category>

		<guid isPermaLink="false">http://www.realglasspainting.com/?p=6973</guid>
		<description><![CDATA[Until now you&#8217;ve probably had to shop all over the place to get your different brushes and paints. Which wastes valuable time. That&#8217;s why we&#8217;ve got together with PELI Glass Products to make things quick and economical for you. PELI has prepared an excellent set of four glass painting kits. These kits contain the same [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>Until now you&#8217;ve probably had to <em>shop all over the place</em> to get your different brushes and paints.</p>
<blockquote><p>Which <em>wastes </em>valuable time.</p></blockquote>
<p>That&#8217;s why we&#8217;ve got together with PELI Glass Products to make things quick <em>and </em>economical for you.</p>
<p><span id="more-6973"></span>PELI has prepared an excellent set of <em>four</em> glass painting kits.</p>
<p>These kits contain the <em>same </em>brushes, paints and stains that <em>we use here</em> at Williams &amp; Byrne.</p>
<p>That&#8217;s right: we endorse them.</p>
<p>The brushes also have our name on them.</p>
<blockquote><p>Which means, when you have questions, we&#8217;re well placed to answer you.</p></blockquote>
<p>The brushes in particular will represent excellent value <span style="text-decoration: underline;"><em>wherever you are in the world</em></span>.</p>
<blockquote><p>Many of them are made by hand in London.</p>
<p>And they are now made <em>especially</em> for Williams &amp; Byrne and PELI.</p>
<p>Because we <em>know </em>what we glass painters all <em>need</em>.</p>
<p><em>E</em><em>xcellent</em> brushes.</p></blockquote>
<p>Now, since the <em>paints </em>and <em>stains </em>are imported from <em>Reusche</em>, it&#8217;s fair to say our US colleagues may <em>already</em> have a local supplier who serves them well.</p>
<p>But <em>everyone else</em> &#8211; you folks in Australia, South Africa, India, Japan, New Zealand, Israel, South America, the Middle East and Europe: check out paints <em>as well as</em> brushes.</p>
<p>And <a title="PELI mailing list for special offers" href="http://www.peliglass.eu/" target="_blank">get on PELI&#8217;s mailing list</a> to be sure of special offers from them <em>and</em> us.</p>
<h2>Disclaimer</h2>
<p>Williams &amp; Byrne don&#8217;t get any commission for recommending PELI to you.</p>
<p>Likewise, PELI doesn&#8217;t get anything from us.</p>
<p>That way we can both speak objectively about the <em>other </em>company&#8217;s merits. Money doesn&#8217;t enter in. Just <em>quality of service</em>.</p>
<p>Old-fashioned, yes. But so is <em>glass painting</em>.</p>
<h2>PELI&#8217;s <em>Tools and Materials</em></h2>
<p>Let&#8217;s have a look at PELI&#8217;s four kits:</p>
<ol>
<li><em>Classic Glass Painting Tools</em> contains the brushes you need for all your <em>water-based </em>stained glass painting</li>
<li><em>Advanced Glass Painting Tools</em> contains the brushes you need for your <em>oil-based stained</em> glass painting</li>
<li><em>Classic Glass Paints</em> includes the tracing paints you must have for water- <em>and </em>oil-based stained glass painting &#8211; including the fabulous Violet of Iron (which we used recently to paint the <a title="Violet of Iron made by Reusche and supplied by PELI Glass Products" href="http://www.realglasspainting.com/stained-glass-painting-techniques/2010/07/09/tycoons-casket/">tycoon&#8217;s casket</a>)</li>
<li><em>Silver Stains</em> &#8211; well, this kit speaks for itself</li>
</ol>
<p>Note:</p>
<blockquote><p>You may need <em>two</em> <em></em>sets of Advanced Glass Painting Tools &#8211; one for use with <em>tracing paints </em>and oil, and one for use with <em>silver stain</em> and oil.</p>
<p>(You cannot use the same brushes for tracing paint <em>and </em>silver stain, otherwise stain and glass paint <em>will </em>contaminate each other and make your life difficult indeed.)</p></blockquote>
<p>Also: if you just need (say) a badger blender and/or a hake brush and/or some tracing brushes, PELI can also help you here. There&#8217;s no need to buy a complete kit &#8211; just tell PELI what you&#8217;re looking for.</p>
<h2>Williams &amp; Byrne&#8217;s <em>Techniques</em></h2>
<p>To match the different kits of tools and materials from PELI, we&#8217;ve now <em>re-arranged</em> how we present our techniques to <em>you</em>.</p>
<p>There are now <em>three </em><span style="text-decoration: underline;">Parts</span> to &#8220;<a title="Stained glass painting techniques and designs" href="http://www.realglasspainting.com/ebook/">Glass Painting Techniques &amp; Secrets from an English Stained Glass Studio</a>&#8220;:</p>
<ol>
<li><em><span style="text-decoration: underline;">Part 1</span></em> focusses <em>only </em>on <em>water-based</em> stained glass painting</li>
<li><em><span style="text-decoration: underline;">Part 2</span></em> is devoted to <em>oil-based glass painting</em></li>
<li><em><span style="text-decoration: underline;">Part 3</span></em> deals with <em>oil-based silver staining</em></li>
</ol>
<p>So</p>
<table border="0" cellspacing="10" cellpadding="10">
<tbody>
<tr>
<td><strong><span style="font-size: small;"><span style="color: #800000;">W&amp;B Techniques</span></span></strong></td>
<td style="text-align: center;"><span style="color: #800000;"><span style="background-color: #ffffff;"><span style="font-size: small;"><strong>PELI Tools</strong></span></span></span></td>
<td style="text-align: center;"><span style="font-size: small;"><span style="color: #800000;"><strong>PELI Materials</strong></span></span></td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;"><a title="Glass painting techniques and secrets Part 1 - Classical stained glass painting" href="http://www.realglasspainting.com/glass-painting-techniques-part-1-classical-foundations/"><span style="font-size: small;">Part 1</span></a></td>
<td style="text-align: center;"><span style="font-size: small;">Classic Glass Painting Tools</span></td>
<td style="text-align: center;"><span style="font-size: small;">Classic Glass Paints</span></td>
</tr>
<tr style="text-align: center;">
<td style="text-align: center;"><a title="Glass painting techniques and secrets Part 2 - painting with oil" href="http://www.realglasspainting.com/glass-painting-techniques-part-2-advanced-oil/"><span style="font-size: small;">Part 2</span></a></td>
<td><span style="font-size: small;">Advanced Glass Painting Tools</span></td>
<td><span style="font-size: small;">Classic Glass Paints</span></td>
</tr>
<tr style="text-align: center;">
<td style="text-align: center;"><a title="Glass painting techniques and secrets Part 3 - silver stain" href="http://www.realglasspainting.com/glass-painting-techniques-part-3-silver-stain/"><span style="font-size: small;">Part 3</span></a></td>
<td><span style="font-size: small;">Advanced Glass Painting Tools</span></td>
<td><span style="font-size: small;">Silver Stains</span></td>
</tr>
</tbody>
</table>
<h2>Important</h2>
<p>For your convenience, all 3 parts are now included in the EXTRAS folder of this <a title="Stained glass painting DVD" href="http://www.realglasspainting.com/stained-glass-painting-dvd-hampton-hall/">glass painting documentary DVD</a>.</p>
<h2>What you get</h2>
<p>This means <em>you</em> folks who already know us will get excellent service from PELI when <em>you </em>next need tools or materials</p>
<p>And newcomers joining us for the first time will find it easy to decide <em>where</em> to improve your skills <em>and also</em> get the tools and materials they need.</p>
<h2>PELI Glass Products for your Tools and Materials</h2>
<p>For glass painting tools <em>and </em>materials, just write to Lisa Di Campli at <a title="PELI Glass Products" href="mailto:mail@peliglass.eu">PELI Glass Products</a>. (Many languages spoken and written.)</p>
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		<title>Stained Glass Painting &#8211; Silver Stain</title>
		<link>http://www.realglasspainting.com/stained-glass-painting-techniques/2009/09/12/stained-glass-painting-silver-stain/</link>
		<comments>http://www.realglasspainting.com/stained-glass-painting-techniques/2009/09/12/stained-glass-painting-silver-stain/#comments</comments>
		<pubDate>Sat, 12 Sep 2009 14:13:47 +0000</pubDate>
		<dc:creator>Stephen Byrne</dc:creator>
				<category><![CDATA[Stained glass media]]></category>
		<category><![CDATA[Stained glass painting techniques]]></category>
		<category><![CDATA[oil-based stained glass painting]]></category>
		<category><![CDATA[silver stain]]></category>

		<guid isPermaLink="false">http://www.realglasspainting.com/?p=2051</guid>
		<description><![CDATA[Jeff Hitch e-mailed us from Mission Viejo in California with a question about silver stain: Can you please give me some tips on how to paint with silver stains? I have been using vinegar and brushes with no metal (since I understand there&#8217;s an active ingredient in the stain which corrodes the metal). They paint [...]]]></description>
			<content:encoded><![CDATA[<p><a class="post_image_link" href="http://www.realglasspainting.com/stained-glass-painting-techniques/2009/09/12/stained-glass-painting-silver-stain/" title="Permanent link to Stained Glass Painting &#8211; Silver Stain"><img class="post_image aligncenter remove_bottom_margin frame" src="http://www.realglasspainting.com/wp-content/myimages/cockatrice.gif" width="450" height="557" alt="Silver-stained stained glass cockatrice by Williams and Byrne" /></a>
</p><p>Jeff Hitch e-mailed us from Mission Viejo in California with a question about silver stain:</p>
<blockquote><p>Can you please give me some tips on how to paint with silver stains?</p></blockquote>
<blockquote><p>I have been using <em>vinegar </em>and brushes with no metal (since I understand there&#8217;s an active ingredient in the stain which corrodes the metal).</p>
<p>They paint OK but they just don’t flow as well as other types of paints.</p>
<p>Also, I can’t get them to gradate very well. Can you help?</p></blockquote>
<p>Yes!</p>
<p><span id="more-2051"></span>Stain is always problematic.</p>
<blockquote><p>Slight differences in temperature can produce dramatically different results.</p>
<p>Differences in glass tend to produce different results.</p>
<p>And, when glass has previously been fired, this can also produce different results.</p></blockquote>
<p>Therefore it’s <em>always </em>important to run tests.</p>
<p>This is especially so because one tends to paint stain last of all, when everything else has been done to perfection.</p>
<p>So, even with what we’ll tell you now, you always need to advance with caution.</p>
<h3>The Majority View</h3>
<p>Most people in this country mix stain with <em>water</em>.</p>
<p>I’ve asked around, and most people in the US seem to mix stain with either water <em>or</em> vinegar.</p>
<p>Here&#8217;s a run-down of the resultant problems:</p>
<blockquote><p>Both media make it difficult to judge the density of the colour</p>
<p>Both media are difficult to apply to all and only the desired area</p>
<p>Neither media shades at all well</p>
<p>Both media, when dry, are messy and noxious to clean up</p></blockquote>
<p>So a fine set of problems!</p>
<p>It’s daft to tolerate problems like this, so Jeff is absolutely right to ask questions.</p>
<h3>A Different Approach</h3>
<p>We use oil, either oil or tar, or lavender, or sandalwood.</p>
<p>Oil of tar is wonderful but carcinogenic, so <em>we absolutely and unequivocally can’t recommend anyone gets into using it</em>.</p>
<p>Lavender and/or sandalwood work fine.</p>
<p>As everyone knows, sandalwood is very thick, so we suggest starting with lavender.</p>
<blockquote><p>Get a good essential oil.<br />
Follow similar directions to how we mix oil-based paint as explained in Part 3 of <a title="Silver stain - your problems solved" href="http://www.realglasspainting.com/glass-painting-techniques-part-3-silver-stain/">Glass Painting Techniques &amp; Secrets from an English Stained Glass Studio</a>.<br />
You just need a one or two palette knife’s worth of stain.<br />
Add the oil a little at a time.<br />
Keep adding oil until you have a really thick paste.<br />
Decant this into a tiny sealable jam jar, and leave it to settle.<br />
The next day, put some of this paste on your palette, add some neat oil and mix with a palette knife until you have a thickly floodable mixture.<br />
Then flood this into the areas that you want to stain.</p></blockquote>
<p>You obtain lighter colours by making a thinner dilution on your palette and by spreading it more thinly.</p>
<p>Being oil, this is far easier to achieve than with water or vinegar.</p>
<p>It&#8217;s also possible to blend the stain.</p>
<p>Problems solved – but you will <em>always</em> need to experiment!</p>
<p>No messy clean up – the only disadvantage is that it doesn’t dry as such, so you must handle the glass carefully until it’s fired.</p>
<p>We’ve found oil far more predictable and controllable than water.</p>
<p>It also keeps for ever in the jam jar, so it’s far more economical to use than with water. No waste.</p>
<p>Firing: we usually go to 220 Fahrenheit / 100 c. over 2 hours, rest there for 10 minutes, then go to 1040 F. / 560 c. over 2 hours, then let the kiln cool at its normal rate. But we aware that every case is different.</p>
<p>Enjoy the liberation from water and vinegar.</p>
<h2>Silver Stain &#8211; How to Trace, Blend, Shade and Flood from a Reliable Batch that Works for Months</h2>
<p>This is really important.</p>
<blockquote><p><strong>How much time and money are <em>you </em>wasting</strong> by not knowing the insider techniques which will take your staining to the professional level?</p>
<p>I mean, how comfortable are <em>you </em>with using stain to trace, blend, shade <em>and </em>flood?</p>
<p>And how would you like to go a long, long way to <em>getting rid of that anxiety</em> which most people feel when they come to check if their silver stain has actually worked?</p>
<p>Like, so it&#8217;s not all hit-and-miss?</p></blockquote>
<p>We can help. Just click <a title="Silver stain - the proven techniques" href="http://www.realglasspainting.com/glass-painting-techniques-part-3-silver-stain/">right here</a>.</p>
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		<title>Stained Glass Tracing with Vinegar</title>
		<link>http://www.realglasspainting.com/stained-glass-painting-techniques/2009/09/07/vinegar-stained-glass-tracing/</link>
		<comments>http://www.realglasspainting.com/stained-glass-painting-techniques/2009/09/07/vinegar-stained-glass-tracing/#comments</comments>
		<pubDate>Mon, 07 Sep 2009 14:23:29 +0000</pubDate>
		<dc:creator>Stephen Byrne</dc:creator>
				<category><![CDATA[Stained glass media]]></category>
		<category><![CDATA[Stained glass painting techniques]]></category>
		<category><![CDATA[glass paint]]></category>
		<category><![CDATA[vinegar-based stained glass painting]]></category>

		<guid isPermaLink="false">http://www.glassanddesign.com/?p=1655</guid>
		<description><![CDATA[Sue Sills wrote and asked us about mixing glass paint with white vinegar: &#8220;I have only used water and gum for mixing tracing paint so far. But I was recently told that you can use white vinegar instead of water and that it stopped the paint from drying out so quickly, thus making it better [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>Sue Sills wrote and asked us about mixing glass paint with white vinegar:</p>
<blockquote><p>&#8220;I have only used water and gum for mixing tracing paint so far.</p>
<p>But I was recently told that you can use white vinegar instead of water <em>and</em> that it stopped the paint from drying out so quickly, thus making it better for tracing lines.</p>
<p>Do you know if this is so?&#8221;</p>
</blockquote>
<h3><span id="more-1655"></span></h3>
<h3>The Benefit of Vinegar Tracing</h3>
<p>Now it&#8217;s certainly <em>possible </em>to mix glass paint with white vinegar, and trace with it onto stained glass.</p>
<p>But many books suggest a <em>different </em>virtue than stopping the paint from quickly drying out.</p>
<p>Here, for example, is Albinus Elskus:</p>
<blockquote><p>&#8220;When the finished [vinegar] tracing is drying out, the white vinegar will harden the paint and render it water-repellent.</p>
<p>This allows you to apply a coat of water-based matting color before firing in the tracing and so save one firing time&#8221; (<em>The Art of Painting on Glass</em>, Albinus Elskus, The Glass Press, 1980, p. 25)</p>
</blockquote>
<p>So the received opinion on the virtue of vinegar-based tracing paint is that it allows you to trace and matt<em> in just one firing</em>.</p>
<p>We&#8217;ll return to this opinion in a moment.</p>
<p>For now, let&#8217;s just consider the question whether vinegar-based glass paint actually <em>slows down</em> the drying time.</p>
<p>In our experience, this is not the case.</p>
<p>Rather, what it does to is to <em>increase the hardness</em> of dried (unfired) glass paint.</p>
<p>It&#8217;s exactly this property which &#8211; as Elskus suggests &#8211; allows you to matt over it with water-based paint, and thus save yourself a firing.</p>
<h3>A Small Difficulty with Vinegar Tracing</h3>
<p>But you also need to know that <em>dried </em>vinegar-based tracing paint is far more difficult to reconstitute and re-use than dried water-based tracing paint.</p>
<p>This is the case <em>even when</em> you&#8217;re just working with a teaspoonful of glass paint (and not the 3 ounce lump that we definitely recommend when you use Reusche tracing paint mixed with <em>water</em>).</p>
<p>So it wouldn&#8217;t be a good idea to mix up anything more than a teaspoonful at a time.</p>
<p>In part-time conclusion: vinegar makes unfired glass paint more resistant to water, but it doesn&#8217;t decrease the speed with which paint dries.</p>
<p>I hope that answers the main point that Sue raised when she wrote to us.</p>
<h3>The Uses of Vinegar Tracing</h3>
<p>Now let&#8217;s return to the question of water-based matting over unfired vinegar-based tracing.</p>
<p>And let&#8217;s be absolutely clear that this is a perfectly correct technique.</p>
<p>It works.</p>
<p>Therefore, if you&#8217;re <em>restoring </em>a broken piece of painted stained glass, and this is how the broken piece was originally made, then this is of course the technique that you should master and use.</p>
<p>And what about your own stained glass painting that you&#8217;ve <em>designed yourself</em>?</p>
<p>Here&#8217;s what we think.</p>
<p><em>If</em> you wish to preserve an absolutely stark line &#8211; in other words, if this is what is demanded by your design &#8211; then, to save a firing, you can indeed use a vinegar-based mixture, and, once it&#8217;s dry, apply and work a water-based matt.</p>
<blockquote><p>The vinegar hardens the trace so that you can blend the subsequent matt without softening or destroying the trace.</p>
</blockquote>
<p>However, what you learn from our <a title="Glass Painting Techniques and Secrets from an English Stained Glass Studio" href="http://www.beautifulglasspainting.com/acatalog/" target="_blank">e-book</a> is a <em>different approach to line and shadow</em>.</p>
<p>And, with this different approach, you also learn a different set of glass painting techniques.</p>
<p>Indeed, you learn how to throw received opinion on its head.</p>
<blockquote><p>You learn how to shade and matt <em>before </em>you trace, and then, even <em>before firing</em> your water-based matting and tracing, you discover how to trace and matt with oil-based paint.</p>
</blockquote>
<p>And <em>then </em>you get to fire your paint just once!</p>
<p>If it&#8217;s absolutely rigid lines you&#8217;re after, then, with our approach, you just trace them on with water-based paint <em>once you&#8217;ve finished</em> your water-based shading. (This is all covered in Part 3.)</p>
<p>And as you discover in various glass painting projects like <a title="Stained glass painting projects" href="http://www.beautifulglasspainting.com/acatalog/stained-glass-designs-owls.html" target="_blank">the owls</a>, you can also paint a water-based matt on the <em>back</em> of a piece of <em>unfired </em>glass painting.</p>
<p>Really, therefore, you can use water-based paint to trace and shade in a single firing and build up as much density of tone as you could possibly wish. (So we do wonder, what&#8217;s the point of vinegar?)</p>
<h3>Water Tracing vs. Vinegar Tracing</h3>
<p>Now it&#8217;s not that one approach is <em>absolutely </em>superior to the other.</p>
<p>As we suggested earlier, it depends on the <em>requirements of your design</em>.</p>
<p>For our own part, we are uninspired by the starkness of line as found in so much stained glass painting &#8211; the very starkness that is preserved by vinegar-based tracing coupled with water-based matting.</p>
<p>Of course we accept that starkness of line is wonderful in the right place.</p>
<p>Just consider medieval stained glass faces, for example.</p>
<p>But the stark (unsoftened) tracing line is just <em>one</em> tracing technique amongst hundreds.</p>
<blockquote><p>Starkness of line should not be represented (and even worshipped) as <em>the</em> way in which &#8220;stained glass tracing&#8221; is done.</p>
<p>And yet this is exactly what happens in stained glass studios and art colleges across the world.</p>
<p>This dogma then feeds back into the way in which stained glass designs are conceived and prepared.</p>
<p>So a pre-conception about (just one) stained glass painting technique then slowly but surely begins to limit the possibilities of the craft as a whole.</p>
</blockquote>
<p>Really, though, stained glass designers should design with the building and the clients in mind, <em>and only then</em> (when the design has been agreed) remember, discover <em>or </em>invent an appropriate technique to use.</p>
<p>Stained glass painting techniques are merely means to an end.</p>
<p>Therefore their true purpose is to help the realization of a design and artistic vision.</p>
<p>But ignorance and secrecy often permit them to <em>constrain</em> the act of design &#8211; and this is such a pity.</p>
<p>That&#8217;s why we take care to explain the technique of &#8220;<em>softened</em> lines&#8221;, as we describe them &#8211; painted marks on glass which are <em>half-way between starkness and shadow</em>.</p>
<p>It&#8217;s simply another technique to add to your repertoire &#8211; even if received opinion says it can&#8217;t be done.</p>
<h3>&#8220;But isn&#8217;t it Dangerous?&#8221;</h3>
<p>With layer upon layer of <em>unfired</em> water-based glass paint (as you learn from us), there&#8217;s certainly a risk that, if your attention wanders, you can wreck the piece.</p>
<p>In that case you&#8217;ll need to start again.</p>
<p>But we find that this risk increases our attention.</p>
<p>We find it also increases the attention of people who learn to paint like this.</p>
<blockquote><p>If you trace a line and then fix it in such a way that it&#8217;s difficult or impossible to shift it &#8211; either by using vinegar on the one hand or by firing it in the kiln on the other &#8211; then you can afford to be careless with your shading and highlighting.</p>
<p>And that&#8217;s a pity.</p>
</blockquote>
<p>On the other hand, if you paint stained glass as we suggest, you&#8217;ll have the joy of knowing that each layer of unfired paint is still responsive to your every brush-stroke &#8211; right up to the moment that you put the glass in the kiln and flick the switch.</p>
<p>This calls for great skill and sensitivity, but since when is that a bad thing?</p>
<p>If you don&#8217;t have Part 3 on &#8220;softened lines&#8221;, <a title="Glass painting techniques and secrets" href="http://www.beautifulglasspainting.com/acatalog/stained-glass-painting-shading-matting.html" target="_blank">read more here</a>.</p>
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		<title>Stained Glass Painting &#8211; Gum Arabic</title>
		<link>http://www.realglasspainting.com/stained-glass-media/2009/02/03/stained-glass-painting-gum-arabic/</link>
		<comments>http://www.realglasspainting.com/stained-glass-media/2009/02/03/stained-glass-painting-gum-arabic/#comments</comments>
		<pubDate>Tue, 03 Feb 2009 15:26:27 +0000</pubDate>
		<dc:creator>David Williams</dc:creator>
				<category><![CDATA[Stained glass media]]></category>
		<category><![CDATA[gum Arabic]]></category>

		<guid isPermaLink="false">http://www.realglasspainting.com/?p=2007</guid>
		<description><![CDATA[Gum Arabic isn&#8217;t essential. (Patrick Reyntiens, for example, barely uses it at all.) It&#8217;s just that, without it, our dried, unfired paint would be extremely fragile. Also, we wouldn&#8217;t be able to shade and matt as we like to &#8211; that is, all in one firing, including oil-based paint on top. Now stained glass painting [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>Gum Arabic isn&#8217;t essential. (Patrick Reyntiens, for example, barely uses it at all.) It&#8217;s just that, without it, our dried, <span style="text-decoration: underline;"><em>unfired</em></span> paint would be extremely fragile.</p>
<p><span id="more-2007"></span></p>
<p>Also, we wouldn&#8217;t be able to shade and matt as we like to &#8211; that is, all in one firing, including oil-based paint on top.</p>
<p>Now stained glass painting stockists mainly stock gum Arabic in <em>powdered</em> form.</p>
<blockquote><p>We prefer <em>liquid </em>because we find it’s easier to mix evenly with the glass paint and water.</p></blockquote>
<p>Liquid gum Arabic is the same medium that water-colour painters use.</p>
<p>So just find a good supplier of traditional art materials, and they will help you.</p>
<p>Ours is made by <a rel="nofollow" href="http://www.winsornewton.com/">Winsor &amp; Newton</a>.</p>
<blockquote><p>Tip: clean the top scrupulously <em>before</em> you screw the lid back on &#8230;</p></blockquote>
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