Can anyone tell me what TPO stands for? As in "Enclosed Gooseneck w/TPO"?

Please forgive me if this sounds like a stupid question. I have seen the statement "Enclosed Gooseneck w/TPO" several times and cannot figure out what the TPO stands for? I have looked far and wide on the internet and still haven't found my answer. I did, however, find an interesting write up on what a Torque Tube is and how that works. Can someone please tell me what TPO stands for or what it means?
 

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TPO stands for thermoplastic polyolefin.
It is a type of rubber roofing material used in RV's as well as other applications.
At least in the RV world that's what it stands for.
Oh, welcome to the Heartland Owners Forum. A great place for sharing and learning.

Peace
Dave
 
Thank you so much for your quick response Dave! Generally,when I want to know something I keep on looking or asking until I find what I want. Now I still want to know how in the world that material incorporates into an enclosed gooseneck. Somehow, I just can't picture it. LOL!
 
It's in the paperwork for a new 5th wheel. "Enclosed Gooseneck w/TPO" It's been driving me crazy since my co-worker asked what that means, so now I'm on a quest to find out. Just can't help myself. Inquiring minds want to know! Haha!
 
Well, I'm beginning to think whomever typed up the paperwork inadvertently put those two things together in a way that suggested they are part of the same thing when maybe they are two completely separate things? That is starting to look like the only logical explanation. That would explain why there is no correct answer to my question. I try not to ask stupid questions, but sometimes I guess I just have to.
 
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