Product Details
Item 0.38mm 0.76mm
Appearance requirements
AppearanceAchromic or yellowish transparent film with leveled surface without scratch or fold
1.2 A-shaped impurities and blister
0.5mm 1.5mm Not more than 8 ones for each rollNot more than 5 ones for each roll
Mark them, and add 1m at each place.
2. Geometrical size
2.1Thickness (mm) 0.38±0.015 0.76±0.02
2.2EvennessThe transverse thickness deviation within the distance of 25mm ~ E does not exceed 15 um;
The transverse thickness deviation within a distance of 50mm ~ E does not exceed 20 um
2.3Length tolerance(m) Not less than the labeled length
2.4Width tolerance(mm) 0-20
3.Moisture content(%) 0.35-0.55
4.Tensile strength(MPa) 20
5. Elongation at break(%) 200
6.Haze ratio(%) 0.6
7.Shrinking percentage(60~C/1 5min)(%) 8
