When choosing an EP conveyor belt, there are several factors to consider:

Load capacity: The belt should be able to handle the weight of the materials it will be transporting.

Belt width: The width of the belt should be appropriate for the size of the materials and the conveyor system.

Length: The belt should be the appropriate length for the conveyor system.

Speed: The belt should be able to operate at the required speed for the conveyor system.

Temperature: The belt should be able to handle the temperatures of the materials and the environment.

Abrasion: The belt should be able to resist abrasion from the materials it will be transporting.

Impact: The belt should be able to handle any impact from the materials it will be transporting.

Chemical resistance: The belt should be able to resist any chemicals that may come into contact with it.

Troughability: The belt should be able to form a trough to contain the material being conveyed.

Tracking: The belt should have good tracking ability to stay aligned on the conveyor.

It's always recommended to consult with the belt manufacturer or conveyor system supplier for the best suitable belt for your specific application.