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C-Type 5-Layer A10/A20 Air Conditioning Rubber Hose（R134a and HFO-1234yf refrigerants）
A premium 5-layer SAE-certified A/C hose for the most demanding low-permeation vehicle and refrigeration applications.
C-Type 5-Layer A10/A20 Air Conditioning Rubber Hose
Produced in C-type 5-layer construction (models A10 and A20) and compliant with SAE J2064E, QC/T664-2019, and SAE J3062. The five-layer structure — inner PA barrier, EPDM/CSM inner rubber, PET/PA reinforcement, CSM middle rubber barrier, and outer EPDM/CSM cover — adds a second permeation barrier for the lowest possible refrigerant loss, while keeping excellent flexibility and thermal stability from -40°C to +135°C. Supplied in 100 m and 50 m packaging.
Applications:
✅OEM Vehicle A/C: Factory assembly of low-permeation climate-control systems
✅Hybrid & EV Thermal Management: HFO-1234yf circuits requiring maximum barrier performance
✅High-End Aftermarket:Premium replacement hoses for low-GWP A/C service
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