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Product Detail :
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Supply of bituminised gunny strips of width 18 cms, as per specifications 1) basematerial hessian cloth of 406 gms per sq. mtr. as per specification is2818/2015 [amalgamating is 2818 (part 1to 6) third revision]. 2) bitumen bitumen should be applied completely spread over as specified. the bitumencontent shall be 110 +/- 20 gm/sq. mtr. the bitumen shall confirm to the requirements given in the table -1corresponding to grade 90/15 of is 702/1988 (reaffirmed year 2019) no. of amendments 1. note the bitumenshould be applied at suitable temperature of the fabric with the help of a mechanism set for reasonably uniformdistribution. 3)linner low density virgin polythene film of natural colour of such thickness that corresponds to itsmass 23 g/sq. mtr. +/- 10% (100 gauges) as per spec. is 2508 of 1984 or high density polythene (hm-hdpe )film of natural colour of is 10889/2004 (reaffirmed year 2016), of amendments 1, gr.1 of such thickness thatcorrespondence to its mass of 12.5 g/sq. mtr.+/- 10% (50 gauges). note a) the polythene film to be used assurface liner or gunny strips should have smooth surface and should be free in holder, air bubble, fish eyes andexcess wrinkles. b) testing of bitumen content shall be done as per is 8477/1985 (reaffirmed year 2016) c)width of strips minimum 18 cms. maximum 19 cms.
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