Lets talk a little about each one. .
Sheet protectors come in a variety of weights including super heavyweight, heavyweight, standard weight, and economy weight.
Biodegradable sheet protectors are made from acid-free polypropylene which contains an additional additive that allows it to biodegrade when tested according to the astm D5511.
There are several key differences with sheet protectors including weight, material, finish, and loading style.Astm testing indicates this product will biodegrade in two to five windows embedded standard 7 sp1 product key years when buried in an anaerobic landfill.The most popular loading style in use today is the top loading sheet protector.They are typically used for panoramic fold out pages.Because of the wide variation in landfill systems, actual timing may vary.Unlike top loading protectors, they are sealed on the top and open on the edge that goes into the ring binder.These are great for displaying fold out charts, graphs, advertisements and more.Side loading sheet protectors are my personal favorite.The top selling sheet protectors in the United States are typically made to hold inserts that are 11.5 or letter size.They are closed on the bottom and left and right sides.These sheet protectors feature a special additive that helps prevent the growth of bacteria, yeasts, molds and fungi.The clear heavyweight polypropylene sheet protectors are extreme durable and perfect for frequently used materials.Standard Weight Sheet Protectors offer durable storage for documents and reference materials.Even with heavy use.
Polypropylene Sheet Protectors are the most widely used sheet protectors on the market today.