supply of top seal n type roll size - 8top seal n type roll size - 8,top seal n type roll size - 8 x 20 mtrs for securing hood of electric loco as per following spec ification: i) visual tape free wrinkle & visual defect ii) dimension: a) width: 8 inch b) length: 20 mtrs c)thic kness: 0-18-0.30mm iv)tensile strength kg (25-30 minimum) v) elongation (%) : 5 minimum vi) adhesive to steel (g/2.5cm): 3000mini. vii)water permeability: not more than two drops after two hours. viii) weather r esistance to pass 200 hrs as per saej 1900 in std xenon arc base should pass the test. ix) oil resistance should pass the test. x) alkali resistance should pass the test. xi) mvpt as per ind/me/790 (a) the moisture absorption should not be more than 200 g/m square/24hrs at 40 degree c. make/brand- permacel, savvy, j ohnson & johnson or similar. [ warranty period: 30 months after the date of delivery ] ] => limited