| 1 | 620010122B | CONVEYOR BELT OF THE FOLLOWING SPECIFICATION 1. Belt designation, type, rating (strength in KN/M. of belt width/no. of plies):-630/4, Nylon/Nylon, Heavy duty. 2.Top cover thickness:5mm 3.Bottom cover thickness:3mm 4.Full belt width:1400mm 5.Nominal thickness of carcass: 5mm MIN 6.Dimensional variation of belt 6(a) Cover thickness:+open,-0 IS-1891-1994 Pt-1 6(b) Width:+ 1% IS-1891-1994 Pt-1 6(c) Length:+2%, -0.5% IS-1891-1994 Pt-1 7.Tensile strength of full belt in warp direction(KN/M):630 8. Tensile strength of full belt in weft direction (KN/M): (157.5 min.) 9.Elongation of full belt in warp direction 9(a) At reference load:3% Max IS-1891-1994 Pt-1 9(b) At break load:10% Min IS-1891-1994 Pt-1 10.Cover rubber properties 10.1 Grade: Fire resistant 10.2(a)Tensile strength(MN/sq.m) before ageing:17min.IS-1891-1993 Pt-v 10.2(b)Tensile strength(MN/sq.m) after ageing(time & temperature 72Hrs@70+1 0 C) : +10% of intial value-20% of intial value IS-1891-1994 Pt-1 10.3(a)Elongation at break before ageing:400% Min IS-1891-1994 Pt-1 10.3(b)Elongation at break after ageing(time & temperature 72Hrs@70+1 0 C) : +10% of intial value-25% of intial value IS-1891-1994 Pt-1 10.4 Angular tear strength(as per ASTMD624):30N/mm(min.) 10.5 Electrical and Fire resistance properties 10.5(a) Flame test:Duration of flame with cover 45sec max for 6 samples 15 sec max for individual no flame re-appearance in air current ISO-340 10.5(b) Drum friction test: 400degree C MAX CAN-CSA-M422-M87(type-C) 10.5(c)Electrial resistivity: 300Mega Ohm MAX CAN-CSA-M422-M87(type-C) 10.6 Abrasion resistance:MAX volume loss 175mm3 MAX DIN-53516 10.7 Shore hardness:71 +/-5 deg.A 11.Adhesion property(Min.) 11.1 Top cover to ply(in KN/M of width):4.5 IS-1891-1994 Pt-1 11.2 Ply to ply(in KN/M of width):5.25 IS-1891-1994 Pt-1 11.3 Ply to bottom cover(in KN/M of width):4.5 IS-1891-1994 Pt-1 12.Type of edge: Moulded edge construction 13. Troughability:0.11 min IS-1891-1994 Pt-1 14. Applicable standards: IS-1891-1994 Pt-1&V,CAN-CSA-M422-M87(type-C),DIN-53516 & ISO-340(CL-4.2.2.2) 15. Patch repair norms: a)All repair norms below 25mmx25mm size shall not considered as repairs b) Not more than 5 repairs per 100mtr length shall be permitted,Max.size of repairs shall be contained within a square of 1/5Wx1/5W, where #W is width of belt. 16.Length of belt in one roll:200 mtrs 17.Marking on the belt: Every 10 mtrs interval 18.Packing:Standard wooden with steel core 19.Belt is to be hot jointed by the manufacturer free of cost,if cut for inspection inside of any roll of 250 mtr to be supplied. | | Mtr | 400 |
