Wouldn't it be great if it didn't affect resistance? And even greater if the "patina" continue to develop and degrade? The warmer it gets the faster the deterioration. The only true deterioration proof coating is certainly not tin or silver -- it is gold. Scuff the gold and well, too bad.
Answers should read
"BLAH BLAH is good FOR ME"
I have soldered well over a million times and some stuff was twice the size of 4/0 cable. I have made a lot of money repairing or replacing non soldered terminations. I have not made much money repairing correctly soldered joints.
Not solder a termination connected to a flooded battery? Allow me to re-groove your tires and pulse desulfate your batteries. Competitive pricing.
