Preparedness Depot in Acworth, GA

What do you do

  • Hover

    Votes: 3 12.5%
  • Wipe and sit

    Votes: 10 41.7%
  • Birdnest

    Votes: 5 20.8%
  • eww, i'm to uppidy to use a public tiolet

    Votes: 6 25.0%

  • Total voters
    24

Tedkennedy

Omnivore
Site Supporter
Kalash Klub
May 17, 2016
2,266
13,609
113
Oklahoma
Zip code
74066
Because when mixing plastics, they mix in Carbon Black, which creates long carbon chains and creates a lot of strength in the polymer. But in translucent or clear plastics there’s little or no Carbon Black. So over time these types of plastic/polymer are just plain weaker. Granted, these Lancers have steel fees lips, so they’ll hold up pretty well overall, but I’d expect in a dozen years or so to start seeing spider cracks at the stress points where plastic meets steel, and at the floor plate.
Solid color plastics, and especially black, will always hold up better. I’d say a Lancer in black would be better than a Magpul, but not necessarily better than a GI mag. YMMV.

I did not know that. Usually the transparent plastics don't age because companies go cheap and don't add UV inhibitors like Tinuvin. I would think mag manufacturers would. Also, polymer chains can be formed using different crosslinks to achieve the same strength. The window you look out of in an airplane is extremely strong, and has to pass mil-specs for strength, deformation, resistance to chemicals and cracking.
 

3x

Sasquatch
Site Supporter
Kalash Klub
Oct 14, 2019
13,970
71,126
113
The Diddle Shack
Zip code
30316
I did not know that. Usually the transparent plastics don't age because companies go cheap and don't add UV inhibitors like Tinuvin. I would think mag manufacturers would. Also, polymer chains can be formed using different crosslinks to achieve the same strength. The window you look out of in an airplane is extremely strong, and has to pass mil-specs for strength, deformation, resistance to chemicals and cracking.
It probably costs a lot more than the market would be willing to support.
 

Hayata

Blam-blam-blam-blam-blam-blam-blam-blam-PING!
Kalash Klub
Lifetime Supporter
Jul 5, 2015
6,135
30,134
113
Zip code
30022
Didja hear the study the French did with nicotine patches and catching Rona?

No wonder I'm still here. Been pounding gin and tonics (with quinine) and smoking cigars almost every night.

I'm invincible!
 

Axeman

If you can’t laugh at yourself you’re FUKT!!!
Kalash Klub
Lifetime Supporter
Dec 5, 2016
7,679
36,680
113
Goat Rodeo Clown
Zip code
30188
I did not know that. Usually the transparent plastics don't age because companies go cheap and don't add UV inhibitors like Tinuvin. I would think mag manufacturers would. Also, polymer chains can be formed using different crosslinks to achieve the same strength. The window you look out of in an airplane is extremely strong, and has to pass mil-specs for strength, deformation, resistance to chemicals and cracking.
Those airplane windows don’t have stress concentration factors on them in the same way that a magazine does.
Much like concrete, which cracks at every inside corner, magazines will collect stress wherever they turn a corner. An airplane window (also a much thicker piece of plastic) only has to withstand stress in the same direction which is at right angles to its primary plane - straight against its flat or slightly curved surface. They also use multiple layers, and replace them when they start to age/wear significantly.

Good point about the Tinuvin, btw
 

J-P

Tracker
Aug 20, 2019
690
4,081
93
Georgia
New guy just pulled a good price troll Lol