Radiator coolant silicone hoses are made from a type of elastomer material, the cooling system’s working temperature is between -40~+150°C(could reach up to 160°C temporarily). The inner layer is electrical wear and chemical corrosion resistance. The radiator hose is usually colored in black.
The character of radiator hoses
The internal surface of the radiator hose is flawless and flat. Without bubbles, rubber particles, and impurities.
Structure of the coolant hose: The thickness of the inner liner is 60~70% of the total thickness of the hose. The Middle reinforced layer is aramid fiber and polyester fiber.
Engine Coolant Hose Connector