Bog in a bag

mrcharly

Bushcrafter (boy, I've got a lot to say!)
Jan 25, 2011
3,257
46
North Yorkshire, UK
It's hardly a new idea - chandlers have been selling them for over a decade, for use on small boats that aren't fitted with a sea toilet. You could make the bags from corn starch plastic - it's waterproof, but eventually breaks down completely.
 

treefrog

Full Member
Aug 4, 2008
650
36
South Yorkshire
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Or can be used for some kind of Casino Royale type interrogation. :yikes:
 

spandit

Bushcrafter through and through
Jul 6, 2011
5,594
308
East Sussex, UK
We've got a porta-potty for our little girl that uses special bags with pads in so don't know how she got a patent for it.
 

Elines

Full Member
Oct 4, 2008
1,590
1
Leicestershire
Yikes! This is important stuff. The most important bit being the 'C' in PVC.

The simplest way to tell is usually to look at it. You'll very often find it's written on it. :) The recycling symbol (a sort of curvy-pointed triangle made from arrows) on most plastic things thesedays tells you without much doubt.

http://www.earthodyssey.com/symbols.html

Polythene is made from ethylene gas (which usually comes from oil fractionation). It is available in several forms which differ primarily, but not by much, in density. All are less dense than water so they float. PVC is around 30% to 40% denser than water so it sinks, obviously for example unless it's a football.

Polythene is used primarily for packaging, things like freezer bags, carrier bags and bin liners. It's also used for pipes and electrical insulation in things like your TV aerial cable. It's 'floppier' than PVC so you can tell the difference by feel when you're used to it. When we talk about a "poly bag" it's usually polythene. Dyneema is polythene.

http://en.wikipedia.org/wiki/Polyethylene

Thanks (as always) for the technical stuff Ged.

So if someone wanted to adapt an existing tripod stool or camp chair to be a commode then they should design it to use Polythene bags, being bags which:
  • won't leak (in contrast to even heavy duty paper ones)
  • float
  • may have writing on them - in particular the curvy triangle arrow thing
  • are a bit floppy
  • are what most people would understand to be a 'poly' bag - such as are supplied by (some) supermarkets or used to store food or rubbish
  • can be burnt in the same way as paper bags
Incidentally in his book - When all hell breaks loose - Cody Lundin suggests that for a situation where there is no water for flushing a toilet then you can ..............
  • tape a heavy duty plastic (polythene) bag (or at least two) in the bowl
  • when it is a max of two thirds full, add some wood ashes or quicklime and
  • put it in a pre-prepared slit trench for the duration
I suppose this just goes to show there is nothing new.
 

Imagedude

Bushcrafter (boy, I've got a lot to say!)
Feb 24, 2011
2,005
46
Gwynedd
I've got things that allow me to take a dump (without people noticing) in public, they're called trousers.:rolleyes:
 

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