that's all metal sir, might be plastic behind it
What did you do to your NNBS GMT900 Tahoe/Yukon Today?
- Thread starter phattyford
- Start date
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the_tool_man
Full Access Member
I don't recall the exact chemistry involved. But when the thread locking compound cures it outgasses something that embrittles plastic. It doesn't have to touch it.
Where I work we build machinery with various transparent plastic guards. If someone puts that on a fastener used to attach it, it almost always cracks a day or two later. We have rules against using it. But every so often we get a new person with good intentions who ruins a panel this way.
Before I knew about this I used a small drop of Loctite to secure the calibration nut on one of my torque wrenches after it had worked loose. I put it in the drawer of my toolbox none the wiser. The next time I went to use it, the entire plastic handle had cracked into dozens of pieces. When I picked it up it fell apart in my hand.
I'll make sure it's properly tightened. But That's it.
Greg Kulbick
Full Access Member
Outgasses? Embrittles?
Are we just making words up, now?
Are we just making words up, now?
Outgasses? Embrittles?
Are we just making words up, now?
Those are actual words.... as Dad used to say, "Look it up!"
the_tool_man
Full Access Member
Lol. I'm a recovering engineer. I can't turn it off.Outgasses? Embrittles?
Are we just making words up, now?
wjburken
Supporting Member
Sparksalot
Supporting Member
Recovery isn’t possible for us.
iamdub
Full Access Member
Or suicidal. Knowing the neighbor's wife, I could sympathize.
iamdub
Full Access Member
Outgasses? Embrittles?
Are we just making words up, now?
Walk into a Harbor Freight and take a sniff- that's outgassing you smell.
Roughly handle something from Harbor Freight that has plastic anywhere on it after it's a few years old and notice it crack and crumble- That's embrittlement.
My first wife outgassed a lot and eventually embrittlement happened. 
And, no, I didn't get her at HF.
And, no, I didn't get her at HF.
