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.
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NO
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INSP ITEM
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Exported Auto
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Domestic auto
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Motorcycle
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1
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INNER DIA
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3.0 +0.5
-0.1 |
3.2±0.10
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3.2±0.10
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2
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OUTER DIA
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11.0 +0.5
-0.3 |
10.5±0.20
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10.5-0.20
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3
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CONSTRICTION TEST
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Φ2.03PLUG GAGES PASSED
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Φ2.03PLUG GAGES PASSED
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Φ2.03 PLUG GAGES PASSED
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4
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EXPANSION TESTml/m
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6.9Mpa
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≤1.08cc/m
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≤0.54cc/m
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10.3Mpa
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≤1.15cc/m
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≤1.38 cc/m
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≤0.69cc/m
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5
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BURST TEST
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27.6Mpa
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2min NO LEAK
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2min NO LEAK
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2min NO LEAK
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49.0Mpa
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NO CRACK
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NO CRACK
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NO CRACK
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6
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BRAKE FLUID COMPATABILITY Non-oil-based
120OC.70h |
27.6Mpa.2min NO LEAK
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34.5Mpa NO CRACK
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7
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WHIP FATIGUE
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800r/min. 1.55-1.72Mpa.35h NO LEACK
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8
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TENSILE TEST
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STENTH 1500N. NO LEAK
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9
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WATER ABSORPTION TEST
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85°C HOT WATER
70h |
Tension 1500N No leak
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28Mpa keep 2min x35Mpa strength pressure No crack
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FATIGUE 35H NO LEAK
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10
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COLD BOX TEST
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-45°C.70h.Φ76.5Mandrel bending 180.No Crack
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11
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OZONE TEST
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100pphmx40°C x 70-72 hr x OD Times Mandrel Bending
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12
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HOT IMPULSE TEST
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0-11Mpa.146°C
150 TIMES |
27.6Mpa. 2min NO LEAK
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34.5Mpa NO CRACK
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13
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SALT SPRAY
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35°C.24h SALT SPARY NO CRACK
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