Friday, November 16, 2018

Gobs of Acetal

Trying to sell lots of leftover acetal that were left over from ScopeRoller manufacturing.  Small pieces.  This stuff is a joy to machine because when the tools hit it, a thin sheet of formaldehyde gas produces a lubricating layer.  Taps nicely as well.   Think of it as being like aluminum but a bit too much flexibility and easier to machine. Young's modulus is about 1/20th of aluminum, similar hardness.

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