The characters of plastics (2024)

The article discusses the characters of plastics, specifically their properties and uses. It mentions that plastics are made from petrochemicals and can be categorized into several types, including thermoplastics, thermosets, and elastomers. The author notes that thermoplastics are the most common type and can be molded and melted multiple times, while thermosets are more rigid and cannot be remolded once set. Elastomers are flexible and can stretch and return to their original shape.