Lower Radiator Hose Car Rubber Coolant Hose Auto Application Custom Diameter Black Water
These black car rubber lower radiator coolant hoses are engineered for automotive cooling-system applications. Multiple structural versions are available to match different working conditions, with customizable diameters and dimensions. All hose variants deliver stable performance for water, coolant, steam and low-pressure air transfer across automotive and industrial scenarios.
Smooth-surface reinforced car hose features burst-proof construction rated at 1 MPa working pressure, low flow resistance, UV-ozone resistance and easy-to-clean surface. It resists mold and corrosion in humid environments, widely used for machinery hydraulics, cooling pipelines and air compressors.
Cloth-surface fabric-reinforced car hose adopts double-layer fabric reinforcement for doubled tear-resistance. Non-slip outer cover prevents delamination even under continuous high-temperature steam conditions. It fits heavy-duty environments such as power plants, steel mills and mines, with customizable fabric thickness.
Pure virgin car hose is lightweight and flexible, cost-effective and non-toxic. Rated ≤1 MPa working pressure, it works well for irrigation, domestic water lines and low-pressure air systems. Note: this grade is not suitable for drinking-water transport.
Insulated leakage-proof car hose meets UL94-V0 flame-retardant standard, operating within-30℃~120℃. It is built for power-industry and outdoor electrical systems, supporting custom insulation grades for special-project requirements.
Main Technical Parameters
| Hose Type | Smooth Reinforced / Cloth-Reinforced / Pure / Insulated |
| Color | Black |
| Max Working Pressure | 1 MPa |
| Operating Temperature | -30℃ ~ 120℃ |
| Customization | Diameter, wall thickness, fabric thickness, insulation grade |
| Key Property | UV-ozone resistant, anti-mold, corrosion resistant, burst-proof |
Core Features & Application Range
Multiple construction options for automotive lower radiator cooling, machinery hydraulics, air compressors
-30℃ to 120℃ wide temperature tolerance, anti-aging against UV and ozone exposure
Burst-proof reinforced structure, low fluid flow resistance, anti-mold for humid-region deployment
Cloth-surface double-fabric reinforcement provides double tear-resistance, no-delamination for heavy-duty sites
Virgin pure version is lightweight, economical for irrigation and low-pressure air pipelines
Insulated variant with UL94-V0 flame retardant rating for power-industry and outdoor electrical applications
Full custom-diameter service for auto modification and special-project pipeline demands
FAQ
Q: Which hose grade fits automotive lower radiator cooling circuits?
A: Smooth-surface reinforced car hose is the primary choice for auto radiator coolant loops. It offers burst-proof performance and UV-ozone resistance to cope with engine-bay thermal cycling.
Q: Can pure car hose be used for drinking-water delivery?
A: No. Pure car hose is non-toxic but not engineered for potable drinking-water service; apply it for irrigation, domestic non-potable water and low-pressure air lines only.
Q: What does UL94-V0 stand for on insulated car hose?
A: UL94-V0 is a flame-retardant safety rating. Materials with this rating stop burning quickly and restrain dripping flame spread, suitable for power-related and outdoor electrical environments.
Q: Can I get custom inner-diameter sizes for these car hoses?
A: Yes. Custom diameters, wall thickness, fabric reinforcement thickness and insulation grades are supported for different automotive and industrial project requirements.
Q: What environments are cloth-surface fabric-reinforced car hoses best for?
A: The double-fabric tear-resistant construction targets heavy-duty sites including power plants, steel mills and mines, resisting steam heat and mechanical abrasion without delamination.
