"Cat Scratch"

Does anybody knows what is the real cause of the defect in glass called "Cat scratch"?
Please provide me the solution to rectify it.

Guest User
Tue, 16/09/2003 - 05:01

Please refer to
Beck,A. and Weibmann,R. " Investigation of cat scratches on container glass," Glastechnisch Ber. 74 (4), p77 (2001)
According to their results, The best way to reduce the problem of cat scratches is to disturb the bottom flow either by drainage or by a forced convection flow vertical to the bottom in other to mix the cord with the matrix glass. The best position to do this seems to be feeder channel.

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