What Protective Sleeve for your CDs?
To meet the requirements of our customers, we have Four different kinds of Outer Sleeves in our catalog
Polyethylene , Polypropylene , PVC & Mylar . To facilitate your choice, we created this page to explain the characteristics of these Four materials:
Polyethylene (PE) is Inexpensive flexible, soft & antistatic with a standard transparency. Suitable for Archival Storage.
Polypropylene (PP) Anti-Static & are ideal to highlight your records, thanks to their very high transparency and Glass like brilliance. The polypropylene Outer is very smooth and soft but also not as soft as the poly Outers This is because polypropylene is a harder material than polyethylene. Polylypropylene Provides cost-effective Long-Term Archival safe protection for all of you records - Acid Free , Crystal Clear Glass Like Material & 100% Transparent . Polypropylene has the strength and durability of Mylar, at a fraction of the cost
PVC Sleeves are both rigid and transparent (not as transparent as polypropylene). . Known for their durability and resistance.
but can discolour or cloud or crack with age or under UV light
PVC is NOT Suitable for safe Long-Term Archival safe protection for all of you records
PVC contains softners , plasticizers or stearates. PVC does migrate and can harm your Media .
Record sleeves are made of museum grade Archival Polyester (Mylar), an inert material of the highest clarity. Polyester will not discolor, damage or adhere to items placed inside it. It is a sturdy film that will give extra support to fragile documents.. Polyester is used worldwide in museums, libraries and archives. Polyester material is approved by the Library of Congress for archival storage. This material has passed the Photo Activity Test. PAT
Polypropylene has the strength and durability of Mylar, at a fraction of the cost