Compounding is a process of melt blending plastics with other additives.
Details about compounding process
Compounding consists of preparing plastic formulations by mixing or/and blending polymers and additives in a molten state, these blends are automatically dosed with fixed setpoints usually through feeders/hoppers. it is mostly a blend of copolymers such as ABS, SAN, SMA etc. with additives such as anti-oxidants, UV-stabilizers and other value adding agents and sometimes a strengthening component is added such as glass fibre.