Car air intake system air intake hose NBR CR
NBR material is a rubber material widely used in the automotive industry and is especially suitable for making air intake hoses. Its excellent physical properties, heat, oil, and chemical resistance enable the NBR hose to provide reliable connection, sealing, and transmission functions in complex working environments.
CR hose is widely used in automobile air intake systems to connect the air filter and engine to supply clean air into the engine combustion chamber.
How to choose the right specifications?
Automotive air intake hose specifications vary by vehicle model and engine type, here are some common factors to consider when choosing the correct size air intake hose:
Diameter: The diameter of the air intake hose is an important specification that determines the airflow capacity of the hose. Be sure to choose a hose that is the same diameter as the original hose to ensure a good fit and proper airflow.
Length: The length of the hose is another factor to consider. Be sure to choose a hose that is a similar length to the original hose to ensure a good fit and maintain the correct position.
Bend Angle: Hoses in air intake systems often need to be bent to fit a specific engine layout. Consider the bend angle and space constraints in the engine compartment and select a hose with an appropriate bend angle.
Materials and Durability: Choose heat, oil, and chemical-resistant materials such as NBR (Nitrile Butadiene Rubber) or CR (Chloroprene Rubber) to ensure the hose performs well in harsh conditions and has a long life.
OEM Specifications: If possible, refer to the original equipment manufacturer (OEM) specifications or recommendations provided by the vehicle manufacturer to ensure you select the correct specifications to match your vehicle and engine.
| Physical properties | Nominal Value (Metric) | Rated Value (Imperial) |
| Proportion | 1.25 g/cc | 1.25 g/cc |
| Mechanical behavior | Nominal Value (Metric) | Rated Value (Imperial) |
| Shore Hardness (Shore A) | 45 | 45 |
| Tensile Strength (Yield) | 10.0MPa | 1450 psi |
| Elongation (Break) | 500% | 500% |
| Tear strength | 25.0 kN/m | 143 pli |
| Permanent compression | 35% | 35% |
| @Temperature 70.0 °C, Time 79200 sec | @Temperature 158 °F, Time 22.0 hours | |
| Thermal performance | Nominal Value (Metric) | Rated Value (Imperial) |
| Maximum operating temperature, Air | 120°C | 248°F |
| Minimum operating temperature, Air | -30.0°C | -22.0°F |
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