Question

What are the similarities and differences between plastic and glass?​

Answer 1

Answer:

✨ Similarities and differences between glass and plastic✨

1. ✨Glass is a more eco-friendly material that has a greater potential for being recycled compared to plastic. 2. Glass is typically an easily breakable (brittle) material compared to the tougher plastic. ... Glass is basically a heavier material compared to the lighter plastic materials.✨

Answer 2

simalirities

1. Moldability. Glass and many plastics (thermoplastics) can be melted and formed into a desired shape.  

2. Optically transparent. Glass and many plastics are transparent - this is because they are amorphous and do not form crystal-crystal interfaces that reflect light (making them opaque).  

3. Cheap - most types of glass and most plastics are pretty inexpensive. They are made from cheap starting materials like sand and natural gas.

 

4. Recyclable. The materials used to make glass and most plastics are cheap - a lot of the cost comes from the energy required for the production process (especially for glass). Recycling allows both raw materials and significant energy to be saved.  

Difference:  

1. Chemical reactivity. Most glasses are very resistant to chemical attack and can be used to handle chemicals. Glass also resists weathering better than most plastics do.  

2. (A subset of the previous difference) Flammability. Most organic polymers burn in air, glass does not. Thus, glass wool can be woven into fire-resistant fabrics, but synthetic fabrics like nylon will melt and burn in a fire.  

3. Thermal resistance. While both glass and many plastics can melt, most plastics melt and/or decompose at much lower temperatures than glass melts at.  

4. Density. Glass tends to be denser than plastics - when it is important to conserve weight, plastics are a better choice.

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