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Spec : 3.2MM X 10.5MM, 3.2MM X 12.5MM, 4.8MM X 12.5MM
Standard: SAE J1401
Brake fluid: DOT3, DOT4, DOT4+
Material:
Tube: EPDM, perfectly resist oil, heat and permeation of water.
Reinforcement: Made of high strength polyester fiber treated by special resin.
Cover: EPDM, perfectly resist heat and ozone.
Middle Layer: By using viscosity-strengthen middle rubber between reinforcements to provide high dynamic capability.
Feature: Low inner cubage expansion;
Resistance of heat and ozone;
Low moisture permeation, whip and impulse;
Working temperature: -55°C to +125°C;
Burst pressure: >60Mpa.
NO | INSP ITEM | Exported Auto | Domestic auto | Motorcycle | |
1 | INNER DIA | 3.0 +0.5 -0.1 | 3.2±0.10 | 3.2±0.10 | |
2 | OUTER DIA | 11.0 +0.5 -0.3 | 10.5±0.20 | 10.5-0.20 | |
3 | CONSTRICTION TEST | Φ2.03PLUG GAGES PASSED | Φ2.03PLUG GAGES PASSED | Φ2.03 PLUG GAGES PASSED | |
4 | EXPANSION TESTml/m | 6.9Mpa |
| ≤1.08cc/m | ≤0.54cc/m |
10.3Mpa | ≤1.15cc/m | ≤1.38 cc/m | ≤0.69cc/m | ||
5 | BURST TEST | 27.6Mpa | 2min NO LEAK | 2min NO LEAK | 2min NO LEAK |
49.0Mpa | NO CRACK | NO CRACK | NO CRACK | ||
6 | BRAKE FLUID COMPATABILITY Non-oil-based 120OC.70h | 27.6Mpa.2min NO LEAK | |||
34.5Mpa NO CRACK | |||||
7 | WHIP FATIGUE | 800r/min. 1.55-1.72Mpa.35h NO LEACK | |||
8 | TENSILE TEST | STENTH 1500N. NO LEAK | |||
9 | WATER ABSORPTION TEST | 85°C HOT WATER70h | Tension 1500N No leak | ||
28Mpa keep 2min x35Mpa strength pressure No crack | |||||
FATIGUE 35H NO LEAK | |||||
10 | COLD BOX TEST | -45°C.70h.Φ76.5Mandrel bending 180.No Crack | |||
11 | OZONE TEST | 100pphmx40°C x 70-72 hr x OD Times Mandrel Bending | |||
12 | HOT IMPULSE TEST | 0-11Mpa.146°C 150 TIMES | 27.6Mpa. 2min NO LEAK | ||
34.5Mpa NO CRACK | |||||
13 | SALT SPRAY | 35°C.24h SALT SPARY NO CRACK | |||
Hydraulic Brake Hose