bids are invited for feeder belt 1168mm width : type - multiply reinforced with endless construction: for schenck gravimetric feeder eg36 as given below: as per drawing no - spd-bmd-fb-st-1. 1. construction: the belt shall consist of 3 plies of nylon fabrics suitable impregnated with rubber and having rubber covers. the whole being vulcanized together in a uniform manner. 2. cover: the top and bottom covers are made of natural rubber compound of 3 mm ± 0.3 and 1.5 mm +0.5/-0.0 mm thickness respectively. the rubber cover grade shall be m-24 as per is:1891/part-l. 3. thickness: 8.4 mm ± 0.4 mm. 4. width: 1168 mm ± 4.0 mm 5. internal circumference: 9500 mm -10.0 mm/ +40mm. (however difference of internal circumferential length from one side to other side is to be within 5.0mm). 6. hardness of base belt : 65 deg. ± 5 shore a. (as per is 3400 part-2) 7. belt strength: 400 kilo newton/meter width (min.) 8. adhesion strength: ply to ply: 4.5 kilo newton/meter width (min.) 9. adhesion strength :cover to ply: 3.5 kilo newton/meter width (min.) 10. abrasion resistant the abrasion loss should be maximum 150 cubic mm when the abrasion test is conducted as per is: 3400 part-3. 11. duty cycle : continuous. 12. working temperature : 80 deg c 13. maximum instantaneous temperature : 200 deg c 14. self life required : min 2 years 15) all manufacturing repairs to either top or bottom cover to be buffed level with adjoining area so that the thickness in the repaired area does not vary from the adjacent area by more than +/- 0.5 mm total quantity : 25