Strict Quality Controal during all the job
“Quality is everything” is the slogan of SSUNNBRAKEPARTS.We put quality first as the most important principle since the company establish.The extensive quality control and several tests of materials and finished products are through all the process of our production.
The Specification of Brake Hoses more comform to SAE J1401 quality standard.
| Test Items | Test Condition | Standard | Test Results |
| ID | Normal | 3.2mm | 3.15~3.35mm |
| OD | Normal | 10.5mm | 10.30~10.60mm |
| Expansion | 1000psi | 0.33cc/ft max. | 0.15~0.17cc/ft |
| 1500psi | 0.42cc/ft max. | 0.21~0.23cc/ft | |
| 2900psi | 0.61cc/ft max. | 0.40~0.42cc/ft | |
| Burst | 4000psi×2min;pressure rated 25,000±10,000psi/min | >7000psi No seepage | >10,600psi |
| Whip | 235~250psi | >35h | >73h |
| Tensile | tensile speed:218±3mm/min | >1446N | 2500N |
| Cold Bend | -45°C ~-48°C× 72h, 3-5s,bending180° | No cracking | No cracking |
| Ozone | 100pphm×70h×40°C, 7X | No cracking | No cracking |
| Impulse | 146°C 1±0.1min at 1600psi+70 | >7000psi No crack | >7400psi |
| Compatibility | 120°C × 70h | >7000psi No seepage | >8900psi |
| Salt Spray | 5%NaCl, 24h,water cleanout in 35°C | No red rust | No red rust |
| Water Aging | Water in 85±2°C,after 70h~72h 4000psi × 2min;pressure rated 25,000±10,000psi/min | >7000psi; >35h; >1446N | >10300psi;>60h; >2400N |
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