... requirements of the baseband:Corrugated sidewall conveyor belt requires a certain degree of tensile strength ... return trip. 2,Base Belt Structure: Four Parts: Top cover rubber,bottom cover rubber, Reinforced core,Cross rigid ... cover rubber:3-6 (mm)Thickness of bottom cover rubber: 1.5-4.5 (mm).Belt core: ... Nylon,EP,cotton or steel cord.The width is the same as normal belt ...