supply of nbr rubber with inner nylon fabric net,nbr rubber with inner nylon fabric net,,nbr rubber with inner nylon fabric net, single ply suitable for shot blast machines, size: 120 0 x 1200 x 3 mm thick, hardness- 50 +/- 5, shore a, specific gravity approx 1.1 and abrasive resistant. re fer to the specification enclosed. make: 3m or equivalent [ warranty period: 12 months after the date of d elivery ] ] , nbr rubber suitable for shot blast machines, size: 12 feet x 4 feet x 6 mm thickness, hard ness - 50 +/- 5, shore a, specific gravity approx 1.35 and abrasive resistant. refer to the specification enclo sed. make: 3m or equivalent. [ warranty period: 12 months after the date of delivery ] ]