Tube: EPDM rubber compound Reinforcement: High tensile synthetic yarn (Knitted Polyester) Cover: EPDM rubber compound Hose Type: SAE 20R4—Radiator hose for normal service. Hose Class: Class D-2—low oil resistant, standard service Working Temperature: -40°C to +125°C Feature: Excellent resistance to water, steam, coolant, weathering, ozone Application: For delivery of coolant, hot water in automotive coolant system Targeted Market: Original Equipment Manufacturer(OEM) and After Market Clients