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Home >   Preservation Services >   Treatments

Double Fan Adhesive (DFA)

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Before binding

Double fan adhesive retains excellent openability, as well as saving the original cover

Finished product with labels attached*

*A simple way to tell the difference between a double fan adhesive and reinforced cover is the double fan adhesive has a cream colored inside board and the reinforced cover has the blue grey board.

**The double fan adhesive treatment has also been called a coptic treatment.

 

 


Last Updated: 5/14/08