How to inspect the performance of rubber expansion joint?

Surface inspection and performance inspection must be done to the rubber expansion joints.

Surface inspection items includes rubber sphere appearance, flanges, clamps, dimension.

Performance inspection items includes hydraulic test, vacuum resistance, rubber physical properties, strength, displacement and other rubber expansion joint quality test.

How can I protect the rubber expansion joint in storage and transportation?

Rubber expansion joints must be stored in cool and ventilated place, and keep the rubber joint far away from open fire, ozone, corrosion. Hard objects should be avoided in case of damaging the rubber expansion joint.