Material price history plots

Hello all.
Does anyone know where I can find a price history plot/graph of silicon rubber? Something similar to the London Metal Exchange site
(http://www.lme.co.uk/dataprices_pricegraphs.asp ) but for silicon rubber.
Thanks.
-Kevin
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.