What does it consist of?
Does anyone know?
 
Does not belong in technology
 
Polyethylene

(You could have asked that question in the other thread too...)
 
mats_o said:
Doesn't belong in technology
? where should it be placed ?
Good to know for next time...
Sorry for the misplacement. But one knows so little.

ok. Now I see it.
 
Krawk said:
Polyethylene

(You could have asked that question in the other thread too...)
Which other thread?
 
Sorry, Should have written it but we do have a great forum for building materials and construction techniques.
Technology is more meant for technical gadgets ;)
 
mats_o said:
Sorry, I should have written that, but we have a great forum for building materials and construction techniques. Technology is more for technical gadgets ;)
Ok. Thanks.
 
kamilenski said:
Which other thread?
Oops. Now I see what you meant. Strangely enough, I feel uncertain. In one place it said
POLYPROPYLENE. Not to question, but how sure are you that it is PE?
 
Sure.

Just visit the manufacturers' websites. It’s stated in the construction product declaration, if not directly in the product description.

There's certainly some product made of different material. But a common diffusion barrier is usually polyethylene. Cheap and well-proven.
 
The plastic is a polyethylene and an additive is added to make the plastic more age-resistant, also coloring the plastic blue/green.
Do not recommend polypropylene plastic for this purpose as it is stiffer and cracks more easily.
 
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