Customization: | Available |
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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 |