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Web Handling for PVOH?

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Topic: Web Handling for PVOH?

Bob Cunningham
Senior Member

Posts: 37
From:Amesbury, Mass
Registered: Nov 2002

posted April 21, 2003 03:44 PM

I am going to be working with a customer on a project trying to extrude monolayer PVOH blown film.

I am comfortable with the extrusion / die side, but I have no clue what this stuff will act like as a film.

Will it have a very low melt strength?
Is PVOH extensible, stiff, or what?
Is there anything that will make it difficult to wind (i.e. excessive shrinkage, tendancy to block on the roll, etc.)?

I appreciate any insight or leads.

Thanks,
-Bob Cunningham

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