The Type E four-layer A/C Hose is a high-performance automotive solution specifically engineered for demanding air conditioning systems in cars, trucks, and heavy-duty vehicles. Designed with a sophisticated four-layer architecture, this hose ensures maximum efficiency in refrigerant transport while maintaining structural integrity under extreme environmental stress.
Combining superior material science with precision engineering, our Type E series offers exceptional resistance to permeability and aging. It is fully compatible with industry-standard refrigerants including R134a, R404a, and R12, making it the ideal choice for both OEM replacements and specialized automotive aftermarket upgrades.
Detailed Parameters
| Working Pressure | 3.5 Mpa / 508 Psi | Burst Pressure | 18 - 3190 Psi (varies by size) |
|---|---|---|---|
| Inner Diameter Range | Φ8mm to 1-1/8 inch | Outer Diameter Range | 15.2mm to 41.0mm |
| Permeation Rate | 1.6 kg/㎡/year | Compatible Refrigerants | R134a, R404a, R12 |
| Core Features | Low Permeability & Pulse-Resistance | Durability | Aging & Ozone Resistance |
| Min Bend Radius | 55mm to 85mm (by size) | Wall Thickness | 3.5mm to 6.3mm |
Key Advantages
Low Permeability
Advanced four-layer construction prevents refrigerant leakage, ensuring system efficiency and longer service life.
Aging Resistance
Engineered to withstand long-term thermal cycling and harsh engine bay temperatures without degrading.
Pulse Resistance
Specifically designed to absorb high-pressure pulses and vibrations common in automotive AC compressors.
Ozone Resistance
The outer layer provides a robust shield against ozone and UV degradation for maximum outdoor durability.
Shock Absorption
Superior mechanical strength allows the hose to withstand physical shocks and external abrasions.
Flexible Sizing
Available in a wide range of diameters from Φ8 to 1-1/8 inch to fit various vehicle specifications.
Product Gallery
Management Platforms
Expert Engineering
Technical leadership from former Goodyear and Parker engineers with 15+ years of industry experience.
R&D Innovation
Collaborating with top research institutions to develop cutting-edge rubber materials and processes.
OEM/ODM Services
Comprehensive customized design, development, and testing tailored to specific client requirements.
Quality Testing
In-house capability to perform rigorous performance experiments and provide detailed testing reports.
Diverse Packaging
Flexible options including PVC film, woven bags, pallets, cartons, and spool packing.
Market Leadership
Recognized as a Top 3 manufacturer in China, delivering global standards to international markets.
Investment Return Comparison
| Feature Comparison | Standard A/C Hose | KEMO Type E Hose |
|---|---|---|
| Permeability | Standard Loss | Ultra-Low Leakage |
| Life Cycle | Average Duration | Extended Service Life |
| Pressure Stability | Moderate Pulse Resistance | High Pulse Resistance |
| Material Grade | General Rubber | Specialized 4-Layer Compound |
| Compliance | Basic Standards | International OEM Standards |
Frequently Asked Questions
The four-layer design significantly reduces gas permeation and increases the hose's ability to withstand pressure pulses and environmental aging compared to single or double-layer hoses.
Our Type E hoses are fully compatible with R134a, R404a, and R12 refrigerants, ensuring versatility across various vehicle models and eras.
Yes, we offer full OEM and ODM services. Our engineers can develop new product designs, sizes, and materials based on your specific technical requirements.
The hose is engineered for both aging-resistance and ozone-resistance, allowing it to maintain flexibility and seal integrity in extreme heat and cold.
We provide several professional options: transparent PVC film, color woven bags, pallet packing, carton packing, and spool packing for long lengths.
Absolutely. We have the in-house capability to test and experiment with product performance and provide comprehensive testing reports upon customer request.
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