PVB film

1) Type: PVB powder and film 2) Appearance: Achromatic or slightly yellow lucid film. 3) Thickness: 6.38mm; 8.38mm; 10.38mm; 1

General Information

Type: PVB film and powder

Appearance : Achromatic or slightly yellow lucid film, with velvet surface that has no scar or crease.

Characteristics

Dotted waste sundries and air bubbles<0.05mm

Allowed if exist separately>0.05mm

Not exceeding 8 places per film

Not exceeding 5 places film.

Making marks.Define an extended 0.5 meter film per place. Add one extra meter per place.

Application

It is safe ideal sandwich agglutination materials, widely used in the manufacture of the plane,ships,car's windshield.

Technical Data

Thicknesses(mm)	0.38+/- 0.015	0.76+/-0.02
Uniformity	Horizontal thickness warp shouldn't exceed 15um at a distance of 25mm;  Horizontal thickness warp shouldn't exceed 20 um at a distance of 50mm
Length tolerance (m)	0-5	0-2
Width tolerance (mm)	0-10
Moisture content (%)	0.3-0.6
Extending intension (M Pa)	≥ 20.0
Rupture extendingrate(%)	≥ 200
Fograge (%)	< 0.4
Shrinking rate ( 60°C/15min) (%)	<8

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PVB film