hang on rusty? are you sure it is alu? If it is red rust it must be steel. Alu oxadization is just a dull colour and dose not start flaking / going soft untill it is falling apart and unrearable. Some one with better Chemestory / meturology knoloage can correct me /fill in any gaps.
hang on rusty? are you sure it is alu? If it is red rust it must be steel. Alu oxadization is just a dull colour and dose not start flaking / going soft untill it is falling apart and unrearable. Some one with better Chemestory / meturology knoloage can correct me /fill in any gaps.