The alloy layer of tinplate is an intermetallic compound formed between base plate and tin coating through thermodiffusion during the treatment of heating and fusing after electrotinning.
锡板合金层是锡后在加热熔融处理过程中通过热扩散在基板与锡层之间生的一种金属间化合物,因此,合金层的生与原板和层都有很大关系。