I just dont overload the Armor if the QSuit-Config is identical to the regular behaviour.
I did some testing and I realize that your mod is avoiding IC2 translation like Quantumchestplate or uraniumcell (and others).
To reproduce this always, do:
1) install IC2 alone in a fresh MC with forge.
2) in creative mode search "quantum"
3) you will see that all body parts have blue font, and for example, the helmet text is "QuantumSuit Helmet". If you translate the lang file, the names appear translated.
4) install gregtech
5) in creative mode search "quantum".
6) you will see that Quantum chest appear in white font, and the text is "Quantumchestplate" (without blank char). If you translate or manipulate the lang files from IC2, the item always show "Quantumchestplate" in white and ignoring the translation.
there are other items like that like "uraniumcell". If I install other mod.. sometimes the problem switch to "quantumhelmt", but I cant reproduce the steps.
I hope this help to explain the problem.