| previous by date | index | next by date |
| previous in topic | topic list | next in topic |
>I wasn't implying that every piece of aluminum is coated with a thinLOL! I understand, and I agreed with your theory that oxidation leads
>film of sapphire. I was just trying to express that "aluminum oxide is
>very hard" in a jokey kind of way, not mislead anyone. The point is
>that Al2O3 is harder than pure aluminum and has different properties
>and that it ∗might∗ be contributing to the pnp not sticking.