Polypropylene Sheet Protectors

Most sheet protectors are today made in polypropylene but it did not use to be like this. Back in time most sleeves and pages was made in vinyl (PVC) but it had the unfortunately consequence that the pages would stick to the documents after some time. Specially in warm weather as the plasticizer started to move from the plastic to the surrounding environment often being the photos, document or the occasional stamp or coin collection. This with damaging results when the documents was historical or of other significant value.

In the 80th polypropylene really started to enter the office product market and from there on the market has developed and today vinyl is used for fewer and fewer document protectors.

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Kind regards,

Ken - Polypropylene sheet protectors