Types of Plastics: Categories of plastics including Thermoplastics (e.g., ABS, PVC) that can be remolded and Thermosets (e.g., Urea formaldehyde) that cannot be reshaped once set.
Elastomers: Flexible, rubber-like materials such as Silicone rubber.
Additives and Fillers: Substances added to plastics to enhance their properties and reduce production costs.
