styrofoam
Good packaging supplies would be styrofoam peanuts. You can also use bubble wrap to protect things. If you don't have either of those you can use old newspaper crinkled up to protect items.
New types of packaging peanuts made from corn or soy decompose in a few months. Styrofoam peanuts do not decompose for centuries.
Yes, metal is very much stronger than Styrofoam. Note, Styrofoam is a brand trade mark, forextruded polystyrene foam, much used as an insulator and packaging material.
Packaging is made from many different things in industry. It would all depend on the type of industry. Packaging can be made from Styrofoam peanuts, paper, and even in some cases bubble wrap.
Styrofoam cup is a good insulator because it is coated with foam
The best thing you can do, depending on what your packaging, is not using styrofoam for packing. This is very harmful to the environment as it is not biodegradable and usually burned. Also the person receiving the package should recycle any plastic/paper that was used in the packaging.
Drinking from a Styrofoam cup is impossible because they do not exist. You might think I'm crazy by saying that but they don't. Styrofoam is a brand name made by the DOW company. Styrofoam does not make any products in the food business. They make crafts products, packaging, etc. To be proper when refering to a foam cup, call it a polystyrene cup.
Cardboard carton is stronger than styrofoam carton since it is used in most industrial packaging, whether it be the food industry or electronics industry. When it is sealed with a quality case sealer and a durable carton sealing tape, then you're sure that your carton packaging can withstand whatever environment it will be stored in.
Yes, styrofoam is full of air cells and air is a good thermal insulator. Styrofoam has poor solvent resistance, and poor hot performance.
Styrofoam actually generates a lot of static electricity which means it is a poor choice as a packing material for electronic components. Static sensitive components (hard drives, motherboards, computer cards, etc.) are usually enclosed in a static shielding bag.
No