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Petrochemical
| Oil glossary |
Any chemical substance derived from crude oil or its products, or from natural gas. some petrochemical products may be identical to others produced from other raw materials such as coal and producer gas.
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Phenol, английский
- A white, crystalline compound (c6h5oh) derived from benzene, used in the manufacture of phenolic resins, weed killers, plastics, disinfectants; also used in solvent extraction, a petroleum refining process. phenol is a toxic material; skin contact must be avoided.
- A class of acid organic compounds used in the manufacture of epoxy resins, phenolformaldehyde resins, plasticizers, plastics, and wood preservatives. phenol-formaldehyde resin, phenolic resin a thermosetting, waterproof, low-cost, mold-resistant, high-strength synthetic resin made from phenol and formaldehyde; has good resistance to aging; used extensively in the manufacture of adhesives, exterior and marine plywood, laminated products, and molded articles.
- A strong disinfectant used for external use. also called carbolic acid
- Цэенол
Pcv valve, английский
A positive crankcase ventilation (pcv) valve is a one-way valve that ensures the continual flow and evacuation of gases from the crankcase into the engine.
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