What are the Uses for: 1. Strong, Rigid Polymers 2. Light, Stretchy Polymers 3. Polystyrene 4. Heat-Resistant Polymers

1. High-Density Polyethene [Example] are seen in Water Pipes 2. Low-Density Polyethene are seen in Plastic Bags & Bottles 3. This is seen in Packaging to Protect Fragile Items and a Thermal Insulator 4. Melamine Resin and Polypropene seen to make Plastic Kettles