● Inner rubber layer: black, oil-resistant synthetic rubber. ● Reinforcing layer: high-strength synthetic fiber wire, compressive and torsional spiral steel wire and antistatic copper wire. ● Outer layer: black synthetic rubber, oil resistant, ozone resistant, abrasion resistant. ● Temperature range: -20 degrees Celsius to +80 °C ● Recommended use: Heavy-duty oil drain hose for handling gasoline or oil with aromatic hydrocarbon content up to 50% in winter/summer from tanker dispensing stations, etc., and can withstand full vacuum.