Background Steel is one of the older packaging materials. - Originally used for round, square, and rectangular boxes and canisters. - The oldfashioned- appearance of fabricated metal box is effectively used to create nostalgia for specialty and gift-type containers
Introduction Definition of paper Paper is defined as a matted or felted sheet usually composed of plant fiber Paper has been commercially made from such fiber sources as rags(inen), bagasse (sugar cane), cotton, and straw. Modern paper is made
Polymer Properties Depend On 1. What elements are in the molecule? 2. What size(molecular weight) is the molecule? 3. Is the molecule polar or non-polar? 4. What shape is the molecule? 5. What is its thermal history? 6. What is its mechanical history?
