This Pakistan Standard specifies a method of determining the behaviour of a rubber hose when bent to a fixed radius.
It also suggests a method for measuring the force necessary to reach the specified radius of curvature.
The test may be carried out whether the hose is empty or under its working pressure.
PS 1502-1981 history
1981PS 1502-1981 METHOD FOR DETERMINATION OF BENDING TEST (RUBBER HOSE)