To prevent cargo wet damage during transportation, it is of great importance to insure hatch cover water tightness.Now, more and more involved parties(owner, charterer,consignor, consignee, insurer, etc) require hatch cover water tightness test and test certificate issued by survey company from the third party before loading. Usually, three kinds of common hatch cover water tightness test are Chalk Test/ Hose Test/Ultrasonic Test.

                                                                                           Hose Test

                                                                                         Ultrasonic Test