Answer:
The two types of plastic are:
1. thermosets (cannot be melted)
2. thermoplastics (can be melted)
Explanation:
<u>Thermoplastics</u>
<em>Thermoplastics such as polyethylene and polystyrene are capable of being molded and remolded repeatedly.</em>
Thermoplastics can be recycled. They are further of two types:
1. Amorphous (polystyrene, polycarbonate etc.)
2. Semi-Crystalline (PET, nylon etc.)
<u>Thermosets</u>
<em>Thermoset is a material that strengthens when heated, but cannot be remolded or heated after the initial forming.</em>
Thermosets can't be recycled.