Customization: | Available |
---|---|
Material: | Natural Rubber |
Capability: | Rubber Air Hose |
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Test Items | Test Condition |
Standard Spec |
Test Results |
ID |
3.2mm |
3.15~3.45 |
|
OD |
10.5mm |
10.30~10.70 |
|
Volumetric expansion |
6.9MPa |
1.08ml/m |
0.562ml/m |
10.3MPa |
1.38ml/m |
0.783ml/m |
|
Burst |
27.6MPa × 2min; pressure raste 172.5±69MPa/min |
no leakage,>49MPa |
>75MPa |
Brake fluid compatibilit |
120°C × 70h,27.6MPa × 2min;pressure raste 172.5±69MPa/min |
no leakage,>49MPa |
>80MPa |
Whip |
keep 1.55~1.72MPa |
>35h |
>80h |
Tensile |
tensile speed:25±3mm/min |
>1446N |
2400N |
Cold Bend |
-45°C ~-48°C× 72h, 3-5s,bending180° |
no crack,no rupture |
no crack,no rupture |
Ozone |
100pphm×70h×40°C, enlarge 7 times |
no cracking |
no cracking |
Salt Spray |
5%NaCl,after24h,water cleanout in 35°C |
no recl rust on fitting |
no recl rust on fitting |
Water Aging |
putat water in 85±2°C,after 70h~72h 27.6MPa × 2min;pressure raste 172.5±69MPa/min |
burst>49h; whip>35h; tensile≥1446N |
>82MPa; >60h; >2500N |