塑料铺钢材的录像带

DOUBLE-SIDED PLASTIC CLAD STEEL TAPE S.No. Item Unit Values 1 appearance -- straight,smooth,plain 2 size length m 1000 5000 width mm 12 1100 3 thickness steel base mm 0.200±0.015 0.155±0.010 0.110±0.010 film side A mm 0.058±0.013 side B tape mm 0.310±0.015 0.260±0.015 0.215±0.015 4 tensile strength of tape mpa 310 390 5 elongation at break % 20 35 6 bond strength between steel tape and coating side A N/cm ≥6.13 side B 7 bond strength of heat seal of tape N/cm ≥17.5 8 cutting strength of heat seal of tape -- before breakdown happens to coated steel tape or damage happens between film and steel, damage never happen to the heat seal area. 9 bond strength of tape after putting into water, 68±1 centigrade, 168h side A N/cm ≥6.13 side B 10 jelly resistance,68±1 centigrade, 168h umbrella brand -- no bulb, no separation WT-103 11 dielectric strength, DC 2KV, 1 min -- without breakdown 12 corrosion resistance, 0.1mol/L, HCL, 480h grade 8