supply of raw coal feeder belt for btps, obra, sonbhadra, u.p. , vulcanized endless rubber belt for raw coal feeder ( type of r.c. feeder: 36, model-gf27 ) specifications: 1. length: 5025mm±20 mm ( inner circumference: 5045 to 5005 ) 2. width: 830mm ±4mm 3. total thickness: 7.1 mm ( tolerance allowed upto ±0.4mm ) 4. top cover: 3.00 mm ( tolerance allowed upto ±0.2mm ) 5. bottom cover: 2.00 mm ( tolerance allowed upto ±0.2mm ) 6. grade: m 24 as per is 1891 / 1991 ( part-i ) 7. tensile strength: minimum 400 kn / m width ( in wrap direction ) 8. adhesion strength between p min. 4-5 kn / m width 9. adhesion strength between cover & ply: min. 3-5 kn / m width 10. surface hardness in rubber cover specimen: 65 ±5 shore a 11. abrasion resistant: the abrasion loss must be maximum# 150 mm³ when abrasion test is conducted as per is:34 rt 3 12. working temperature: 80 ± 10°c 13. maximum instantaneous temp.: 200°c 14. self-life: min. 02 years 15. no of plies: 03 16. skirting: 45 mm high skirting on both sides, 45 mm wide at base, 18 mm wide at top, 06 mm high projection is at the center the length inside the belt.