supply of paper masking tape. size of tape :48mm x 50metres etc.paper masking tape. size of tape :48mm x 50metres etc.,paper masking tape. size of tape :48mm x 50metres , tape thickness min.: 0.11 mm (as per ast m test method: d-3652), tensile strength : min. 350n/100mm width(as per astm test method: d-3759), adhesio n to steel : 24 to 30 n/100 mm width (as per astm test method: d-3330), elongation at break: 8-10% (as per as tm test method: d-3759), tape structure: natural coloured crape paper, adhesive : rubber adhesive with instant adhesion, temperature use range : the adhesive should easily sustain application temperatures (of ambient/sub strate) of 0 degrees to 66 degrees without any deterioration of properties. functional properties:shelf life of tape s hould be minimum one year from the date of manufacturing. the tape is being used for masking of painted surfac e for painting of multi-color. tape should have sharp and straight edges throughout its length. the width of tape s hould be uniform throughout its length. after damasking of the coach, separating line of two colors shades should be straight and sharp throughout the length of the coach. tape should not leave adhesive marks on dry painted s urface thus ensuring clean removal after damasking. tape should be treated in such a way that paint should not bleed through tape film on the painted surface which has been masked. tape should not tear during unwind. the tape should be easily tear without stretching or pulling. as per drg.no. -- specn: -- [ warranty period: 30 months after the date of delivery ] ]