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 Mtrs. (C) Thickness: 0-18-0.30Mm. (Iv) Tansile Strength Kg (25-30 Minimum). (V) Elongation ( Percent ) : 5 Minimum. (Vi) Adhesive To Steel (G/2.5Cm): 3000Mini. (Vii) Water Permeability: Not More Than Two S After Two Hours. (Viii) Weather Resistance To Pass 200 Hrs As Per Saej1900 In Std Xe