SUNRISE silicone hose has tested and passed SAE J20 R4 Specification. The hoses meets or exceeds all the requirements of SAE J20 R4 specification.

Above picture is the silicone hose test report that passed the SGS test. The test report show that burst pressure is 2.60MPa, 180 degree peel strength is 1560N/m, ozone aging is no crack, cold flexibility is no crack and break. It all meet or exceed the requirements. 

Customization is always welcome!