petrochemicals; petrochemical products
Refers to chemical products derived from petroleum or natural gas, such as plastics, synthetic fibers, and solvents.
This factory produces petrochemical products.
Petrochemicals are indispensable to modern society.
石油化学 refers to petrochemistry as a field, while 石油化学製品 specifically means the products of that industry.
Compound of 石油 (petroleum), 化学 (chemistry), and 製品 (manufactured goods).