Other Factors You Should Focus On To Choose High Temp Duct Hose
Car cooling water hose
The main function of the car cooling system is to dissipate part of the heat absorbed by the heated parts in time to ensure that the engine works at the most suitable temperature.
The cooling water hose is a flexible pipeline connecting the car engine and the radiator. Its main function is to transport coolant, dissipate heat, and ensure the safe and normal operation of the engine.
At present, the domestic cooling water hose has a working temperature of 125°C and is produced using sulfur-vulcanized EPDM rubber. The hose includes a three-layer structure: inner lining (EPDM), reinforcement layer, and outer layer (EPDM).
Automobile air conditioning hose
The inner rubber layer of the automobile air-conditioning hose is made of EPDM rubber, the reinforcement layer is woven with polyester fiber, and the outer rubber layer is EPDM, which is extruded and coated. It has the advantages of low penetration and high temperature resistance, and can be used in the environment of -40~140°C.
It can even be used in a high temperature environment of 160°C. Automotive air-conditioning hose is a hose product with high technical requirements, and its key technical index is low permeability.
Automobile Brake Hose
In addition to being resistant to brake fluid, automotive brake hoses must also have good aging resistance and moisture permeability. In the past, the material used for the inner rubber layer of automobile brake hoses was mainly SBR.
bdr
Recently, due to the emergence of maintenance-free cars, the increase of the working environment temperature of brake fluid and the use of high boiling point brake fluid, EPDM or EPDM/butyl rubber has a tendency to replace SBR.
Orientflex is all made of imported EPDM rubber, which has good wear resistance, aging resistance, acid and alkali corrosion resistance, and good air tightness. In superheated steam at 230°C, there is no change in appearance after nearly 100 hours. It is mainly used in automobiles, mechanical water tanks, engines, radiators, heaters and other parts to transport water, air, antifreeze, steam and weak acid and alkali liquids.
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