衡水智爍膠管有限公司
Hengshui Zhishuo Brake Hose Co., Ltd
1. Basic parameters
Specifications and models: φ3.2×7.5mm
Material structure: Inner layer: EPDM rubber (oil and corrosion resistant); Middle layer: polyester thread braided reinforcement; Outer layer: EPDM rubber protective layer (wear-resistant and weather-resistant).
2. Performance parameters(according to the inspection report data of the National Motor Vehicle Product Quality Inspection and Testing Center)
Swelling Characteristics:
Maximum expansion capacity: 6.9MPa: 0.43mL/m; 10.3MPa：0.6mL/m; 20.0MPa：0.81mL/m.
Burst Strength:
Blasting strength: 68.5MPa without bursting
Dynamic Durability:
Flexion fatigue: No damage after 35 hours of flexion
High temperature pulse resistance: 62.3MPa without bursting
Mechanical Properties:
Mechanical strength: slow speed: 1532.4N joint pull-out; Quick 1762.1N connector pull off.
3. Environmental adaptability
Water absorption: 66.2MPa without bursting; No damage after 35 hours of bending;
Cold resistance: After the test, there are no visible cracks on the inner and outer surfaces of the hose;
Ozone resistance: After the test, under a seven fold magnifying glass, there were no visible cracks on the surface of the hose;
Resistance to dynamic ozone: After the test, there were no visible cracks or fissures observed by the naked eye.
4、application adaptation
Applicable scenarios: hydraulic braking system for motorcycles, trams, and light vehicles.
Supporting standards: in line with CQC, DOT, SAE J1401 certification requirements.
Joint compatibility: Support metric, American, and imperial threaded joint customization.