<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body text="#000000" bgcolor="#FFFFFF">
<p>Sounds like 'chromate conversion coating;' aka Alodine:</p>
<p><a class="moz-txt-link-freetext" href="https://en.wikipedia.org/wiki/Chromate_conversion_coating">https://en.wikipedia.org/wiki/Chromate_conversion_coating</a><br>
</p>
<div class="moz-cite-prefix">On 11/13/2018 7:31 PM, Alan Seigrist
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAFBXTkK9+-RFeC5H9p=QkBRVe0uoDjnpT7Fi_oN4TE60Xz673w@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">could it be a two pack epoxy?</div>
<br>
<div class="gmail_quote">
<div dir="ltr">On Mon, Nov 12, 2018 at 2:42 AM Michael Salter
<<a href="mailto:michael.salter@gmail.com"
moz-do-not-send="true">michael.salter@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto">Here's a tough one.
<div dir="auto">We have some steel racks purchased from
Ikea.</div>
<div dir="auto">These racks have an unusual, very tough
aluminium colour coating on them that appears to be a type
of plating. It isn't powder coating as it is very thin
unlike paint.</div>
<div dir="auto">I think it would be ideal for wire wheels
but cannot seem to find out what it is.</div>
<div dir="auto">Interestingly I noticed the same coating on
some bicycle handlebars today. </div>
<div dir="auto">Does anyone have any idea what it is?</div>
<div dir="auto">M</div>
</div>
<br>
</blockquote>
</div>
</blockquote>
</body>
</html>