Features: High tensile strength, low extensibility, small used transmission pulley diameter, uniform steel wire rope tension, excellent troughbility and good adhesive between rubber and steel wire. Applicable environment: The belt realizes conveying a large amount of materials at long distance and at high speed in the fields of coal, mine, ports, metallurgy, electric power, chemical engineering, etc. Specification Strength:ST630 â??ST800-ST1000 â??ST1250 â?¦â?¦.ST6300 Width (mm):800mm-2400mm Performance of the cover rubber Item perfomance H D L Tensile strength MPa 24.0 18.0 15.0 Elongation at break %â?¥ 450 400 350 abrasion Mm3â?¤ 120 90 200 Minimum Pulley Diameter Item ST630 ST800 ST1000 ST1250 ST1600 ST2000 ST2500 ST3150 ST3500 ST4000 ST4500 ST5000 ST5400 Minimum pulley diameter (mm) 500 500 630 800 1000 1000 1250 1400 1600 1600 1600 1800 1800