E-Type 4-Layer A10/A20 Air Conditioning Rubber Hose（R134a and HFO-1234yf refrigerants）

E-Type 4-Layer A10/A20 Air Conditioning Rubber Hose

Produced in E-type 4-layer construction (models A10 and A20) and compliant with SAE J2064E, QC/T664-2019, and SAE J3062. The four-layer structure — inner PA barrier, inner EPDM rubber, PET/PA reinforcement, and outer EPDM/CSM cover — delivers very low refrigerant permeation, high burst strength, and stable performance across a working temperature range of -40°C to +135°C. Supplied in 100 m and 50 m packaging. Suits both OEM assembly and aftermarket A/C service.

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  4-Layer E-Type Construction

  PA barrier + EPDM inner tube + PET/PA reinforcement + EPDM/CSM cover for ultra-low permeation
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  SAE / QC Compliant

  Meets SAE J2064E, QC/T664-2019, and SAE J3062
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  Wide Size Range

  Models A10 (6.2–13.2 mm) and A20 (15.2–25.0 mm) for diverse vehicle A/C systems

 

 

 

Applications:

✅Passenger Vehicle A/C: OEM and aftermarket climate-control lines for R134a / HFO-1234yf systems

✅Commercial Vehicle A/C: Heavy-duty trucks, buses, and coach air conditioning

✅Aftermarket Service: Replacement hoses for low-permeation A/C retrofit and repair