PVB film

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Product Detail

Basic thickness	0.38mm	0.76mm
1.Exterior requirement
1.1Exterior	Colorless or yellowish transparent film, smooth surface, no scratches, creases.
1.2Dot-like sundries and bubbles
≤0.05mm	Scattered existence is allowed, no more than 10 places per volume.
＞0.05mm	No more than 8 places per volume.	No more than 5 places per roll
	Make a mark. Define 0.5 extended meters at each place. Add 1 meter to each place
2.Geometry
2.1.Thickness（mm）	0.38±0.02	0.76±0.02
2.2.Evenness	25mmThe lateral thickness deviation within the distance is not more than 15µm. 50mmThe lateral thickness deviation within the distance is not more than 20µm.
2.3.Length Tolerance（m）	0-5	0-2
2.4.Width Tolerance（mm）	0-10
3.Moisture content（％）	0.4-0.6
4.Degree of stretch（MPa）	≥20.0
5.Elongation at break（％）	≥200
6.Haze（％）	＜0.4
7.Shrinkage（60℃／15min）（％）	≤12