Rubber expansion joint by the third part, the test items are:Tensile strength, Breaking Elongation,Hardness, Aging level in hot air, Brittleness temperature,Quality change rate.

EPDM rubber material tests report and Hydraulic pressure tests report by inspection part

Burst Pressure of rubber expansion joint, the sample woking pressure is 10kg/cm².

Carbon steel dismantling joints inspection report draft by SGS