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<p>[QUOTE=&quot;Conder101, post: 2624824, member: 66&quot;]But the layers are not rolled out individually and then bonded together.&nbsp; They are bonded into an ingot&nbsp; and then that ingot is rolled out by being passed back and forth between the rollers.&nbsp; The pure copper, being more malleable than the coppernickel, will tend to &quot;ooze&quot; out the end of the strip.&nbsp; The copper nickel layers may or may not stay even at the ends.&nbsp; Now these ends of the strip are normally cut&nbsp; off before the strip is blanked so you have a nice consistent strip with a copper core and two coppernickel layers each of which is roughly of quarter of the weight of the strip.</p><p><br /></p><p>Now if they don&#039;t cut that strip end off it could be possible to have a section that is just copper and one layer of coppernickel that has blanks punched from it.&nbsp; Such an area MAY be the same thickness as the normal strip but will usually be thinner. (The ends of the strip taper in thickness, another reason why they are cut off before blanking)[/QUOTE]</p><p><br /></p>

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