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Why is it important for print, slide, negative and CD preservers to be PVC free?

April 26, 2017CD Free negative preservers print PVC slide

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Why is it important for print, slide, negative and CD preservers to be PVC free?

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PVC or Polyvinyl chlorides are very harmful to photographic material. Any plastic formulated from PVC should be avoided and will cause rapid image degradation. PVC contains and transfers plasticizers, salts and hydrochloric acid to print emulsion, which is very harmful to photographic material.