supply of top seal n type roll size - 8* x 20 mtrs for securing hood of electric loco , top seal n type roll size - 8* x 20 mtrs for securing hood of electric loco.as per following specification: i)visual tape free wrinkle & visual defect ii) dimension: a) width: 8 inch b) length: 20 mt rs c)thickness: 0-18-0.30mmiv)tansile 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 ho urs. viii) weather resistance to pass 200 hrs as per saej1900 in std xenon arc base should pass the test. ix) oil resistance should pass the test.x) alkali resistance shouldpass the test. xi) mvpt as per in d/me/790 (a) the moisture absorption should not be more than 200 g/m square/24hrs at 40 degree c. make/brand- permacel, savvy, johnson & johnson or similar accepted make: krishna trading corp oration . [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]