<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/'><id>tag:blogger.com,1999:blog-12223283.post114375863544104459..comments</id><updated>2009-03-02T18:45:36.276Z</updated><title type='text'>Comments on RepRap: Blog: First polypropylene extruded...</title><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://blog.reprap.org/feeds/114375863544104459/comments/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default'/><link rel='alternate' type='text/html' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html'/><author><name>Adrian Bowyer</name><uri>http://www.blogger.com/profile/17595509188999219420</uri><email>noreply@blogger.com</email></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>4</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-12223283.post-114388170292998161</id><published>2006-04-01T09:55:02.930+01:00</published><updated>2006-04-01T09:55:02.930+01:00</updated><title type='text'>I did a few simple tests with HDPE and PET. PET Wa...</title><content type='html'>I did a few simple tests with HDPE and PET. PET Was definitely out for the basic experimenting - it wanted too much heat. So I melted up a batch of HDPE from milk bottles. I found it was reluctant to fuse and distorted significantly when cooled. It is probably possible, but not an easy one at this point.&lt;BR/&gt;&lt;BR/&gt;Vik :v)</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114388170292998161'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114388170292998161'/><link rel='alternate' type='text/html' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html?showComment=1143881702930#c114388170292998161' title=''/><author><name>Vik Olliver</name><uri>http://www.blogger.com/profile/08344580890636084746</uri><email>noreply@blogger.com</email></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html' ref='tag:blogger.com,1999:blog-12223283.post-114375863544104459' source='http://www.blogger.com/feeds/12223283/posts/default/114375863544104459' type='text/html'/></entry><entry><id>tag:blogger.com,1999:blog-12223283.post-114382192704566603</id><published>2006-03-31T17:18:47.046+01:00</published><updated>2006-03-31T17:18:47.046+01:00</updated><title type='text'>Another nice thing about polypro is that it's dish...</title><content type='html'>Another nice thing about polypro is that it's dishwasher safe (top rack only).  That will come in handy if you use a solid, water-soluble support material.</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114382192704566603'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114382192704566603'/><link rel='alternate' type='text/html' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html?showComment=1143821927046#c114382192704566603' title=''/><author><name>Joel</name><uri>http://www.blogger.com/profile/02438375521648431568</uri><email>noreply@blogger.com</email></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html' ref='tag:blogger.com,1999:blog-12223283.post-114375863544104459' source='http://www.blogger.com/feeds/12223283/posts/default/114375863544104459' type='text/html'/></entry><entry><id>tag:blogger.com,1999:blog-12223283.post-114381877507019712</id><published>2006-03-31T16:26:15.070+01:00</published><updated>2006-03-31T16:26:15.070+01:00</updated><title type='text'>I'd guess that PETE is definitely out with a melti...</title><content type='html'>I'd guess that PETE is definitely out with a melting point of 260 Celsius.    That is right at the service limits of the PTFE parts that we depend on in Mk II.&lt;BR/&gt;&lt;BR/&gt;HDPE, otoh, is definitely a go with a melting point of only around 120-130 Celsius.  Polypropylene is melting at about 150-160 Celsius.</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114381877507019712'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114381877507019712'/><link rel='alternate' type='text/html' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html?showComment=1143818775070#c114381877507019712' title=''/><author><name>plaasjaapie</name><uri>http://www.blogger.com/profile/00240780042458014636</uri><email>noreply@blogger.com</email></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html' ref='tag:blogger.com,1999:blog-12223283.post-114375863544104459' source='http://www.blogger.com/feeds/12223283/posts/default/114375863544104459' type='text/html'/></entry><entry><id>tag:blogger.com,1999:blog-12223283.post-114381541386517812</id><published>2006-03-31T15:30:13.866+01:00</published><updated>2006-03-31T15:30:13.866+01:00</updated><title type='text'>//I suspect that polypropylene is about the highes...</title><content type='html'>//I suspect that polypropylene is about the highest temperature polymer that it might be possible to use in a reprap.//&lt;BR/&gt;&lt;BR/&gt;I guess PETE and HDPE are a definite no-go, then.</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114381541386517812'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/12223283/114375863544104459/comments/default/114381541386517812'/><link rel='alternate' type='text/html' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html?showComment=1143815413866#c114381541386517812' title=''/><author><name>Steve DeGroof</name><uri>http://www.blogger.com/profile/14997304093518156268</uri><email>noreply@blogger.com</email><gd:extendedProperty xmlns:gd='http://schemas.google.com/g/2005' name='OpenSocialUserId' value='12653272945044315560'/></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://blog.reprap.org/2006/03/first-polypropylene-extruded.html' ref='tag:blogger.com,1999:blog-12223283.post-114375863544104459' source='http://www.blogger.com/feeds/12223283/posts/default/114375863544104459' type='text/html'/></entry></feed>