1. Transparency Jung yonug hoon 2011011530 Song ju young 2011011491 Kim Byoung Wook 2011011459

2. Index What is transparency Why transparency Transparent product

3. What is transparency Transparency is the quality that an object or substance has when you can see through it.

4. Why Why transparency? Amorphous structure is randomly arranged in the molecule

5. Transparent product Glass Pet Acrylic Poly carbonate

6. Glass Transparency 96% Highest transparency. Good visibility Useful

7. pet Transparency 88% Low price Higher strength Higher Thermal insulation

8. Acrylic Transparency 92% Very transparent Safer than glass. Easy to process.

9. Poly Carbonate Transparency 90% Heat resistance durability Non toxic

11. bye