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property | value | unit | tolerance |
total thickness | 150 | µm | ± 4µm |
density | 0,905 | g/cm³ | |
melt flow rate (230°C and 2,16 kg) | 13,1 | g/10 min. | |
puncture resistance | 38,3 | N | |
unit weight | 135,6 | g/m² | ± 0,5g/m² |
yield | 7,38 | m²/kg | ± 0,03m²/kg |
dimensional stability | |||
machine direction MD | -2,6 | % | ± 0,5% |
transverse direction TD | 1,5 | % | ± 0,3% |
bond strength | 6,0 | N/15 mm | |
tensile strength | |||
machine direction MD | 156 | N/mm² | |
transverse direction TD | 155 | N/mm² | |
machine direction MD (-25°C) | 185 | N/mm² | |
breaking elongation | |||
machine direction MD | 58 | % | |
transverse direction TD | 75 | % | |
machine direction MD (-25°C) | 34 | % | |
gloss | > 100 | % | |
haze | 2,6 | % | |
transparency | 91,6 | % | ± 0,1% |
oxygen transmission rate | |||
(23° C/50% RH) | 330 | cm³/(m²*d*bar) | |
(38° C/0% RH) | 670 | cm³/(m²*d*bar) | |
water vapour transmission rate | |||
(23°C, 85%/0% RH) | 0,21 | g/(m²*d) | |
(38°C, 90%/0% RH) | 1,06 | g/(m²*d) | |
treatment level | 38 | dyn |
Trapalen’s® significantly higher puncture resistance makes it possible to replace higher µ-strengths of other film with lower µ-strength Trapalen®.