Item0.38mm0.76mm
Appearance requirements
AppearanceAchromic or yellowish transparent film with the leveled surface without scratch or fold
1.2 A-shaped impurities and blister
<0.5mmAllowed to exist dispersively
>0.5mm一1.5mmNot more than 8 ones for each rollout more than 5 ones for each roll
Mark them, and add 1m at each place.
2.Geometrical size
2.1Thickness (mm)0.38±0.0150.76±0.02
2.2EvennessThe transverse thickness deviation within 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 labeled length
2.4Width tolerance(mm)0—20
3.Moisture content(%)0.35一0.55
4.Tensile strength(MPa)≥20
5. Elongation at break(%)≥200
6. Haze ratio(%)≤0.6
7. Shrinking percentage(60~C/1 5min)(%)≤8
Jiaxing Fuying Composite Materials is China