Difference between revisions of "HDPE Processing"

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HDPE block stock can be made from recycled plastic milk bottles (recycle code 4) melted in a domestic oven at around 230 degrees C. I have tried a few processes with variable success.
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[[Category:Projects]]
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[[Category:Michael's Projects]]
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[[Category:Reusing]]
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{{Project
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|image=File:Hdpe-proc-bottle-melt-1.png
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|name=HDPE Processing
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|primary=[[User:Msemtd|Michael Erskine]]
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|created=23/10/2015
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|status=Complete
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|type=member
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}}
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HDPE block stock can be made from recycled plastic milk bottles (recycle code 4) melted in a domestic oven at around 230 degrees C.
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* wikipedia http://www.bpf.co.uk/plastipedia/polymers/HDPE.aspx
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* plastipedia http://www.bpf.co.uk/plastipedia/polymers/HDPE.aspx
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I have tried a few processes with variable success: -
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* initial tests using the Hackspace reflow toaster oven at 220-230 C
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* some fun with (cheap?) silicone cookware that breaks down at cooking temperatures!
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* slight fumes but not unpleasant or dangerous - appropriate ventilation employed
 +
 
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Further tests at home in domestic oven: -
 +
* cleaner process - using baking tray and baking parchment
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* pressing into a plywood mould to make "slugs" for milling
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<gallery>
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File:Hdpe-proc-bottle-cuts-1.png|Bottle cuts
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File:Hdpe-proc-bottle-cuts-2.png|Arranged for neat melting
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File:Hdpe-proc-bottle-melt-1.png|Oven melt with blue cap
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File:Hdpe-proc-bottle-melt-2.png|Oven melt 2 stages
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File:Hdpe-mill1.png|Milling slug on Bridgeport
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</gallery>
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==See Also==
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{{also|Freestyle Skateboard Skidplates}}

Latest revision as of 15:44, 18 April 2019

HDPE Processing
Hdpe-proc-bottle-melt-1.png
Primary Contact Michael Erskine
Created 23/10/2015
Completed {{{completeddate}}}
Dormant {{{dormantdate}}}
Version {{{version}}}
Members {{{members}}}
Manufacturer {{{manufacturer}}}
Model {{{model}}}
Location [[{{{location}}}]]
GitHub / Repo {{{repo}}}
Status Complete
Type Members Project
Live Status {{{livestatus}}}
QR code

HDPE block stock can be made from recycled plastic milk bottles (recycle code 4) melted in a domestic oven at around 230 degrees C.

I have tried a few processes with variable success: -

  • initial tests using the Hackspace reflow toaster oven at 220-230 C
  • some fun with (cheap?) silicone cookware that breaks down at cooking temperatures!
  • slight fumes but not unpleasant or dangerous - appropriate ventilation employed

Further tests at home in domestic oven: -

  • cleaner process - using baking tray and baking parchment
  • pressing into a plywood mould to make "slugs" for milling

See Also