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Help CenterPVB INTERLAYER
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Specifications
qilu PVB interlayer is a macromolecule material molded by polyviny, butyral resin that is plasticized and extruded by plastic
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qilu PVB interlayer is a macromolecule material molded by polyviny, butyral resin that is plasticized and extruded by plasticity. Our PVB film with excellent light transparency, heat and cold resistance, elasticity, is well-sticking to inorganic glass and the making of laminated safety glass. Usual thickness specification is between 0.2 mm - 2 mm.
qilu PVB interlayer is mainly used in making laminated safety glass. Laminated glass is a special glass which is inserted with PVB film between two layers of common glass, which under high heating temperature and pressure, binds to create a single construction. Because of PVB laminated glass with the function of safety, heat preservation, noise proof, and ultraviolet resistance, etc, it is widely used in areas such as high-rise building and auto. PVB film with special formula is also used in aeroplane, space flight ware, military instrument, solar battery, solar energy acceptor and so on.
No. |
Classfication |
0.38mm |
0.76mm |
1 |
Appearance |
|
|
1.1 |
Appearances |
Achromatic or slinghtly yellow lucid film With velvet surface that has no scar or crease . |
|
1.2 |
Dotted waste sundries and air buhbles |
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|
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≤0.05 |
Allowed if exist separately |
|
|
0.05 |
Not exceeding 8 places per film |
Not exceeding 5 places per film |
|
|
Making marks Define an extanded 0.5 metar film per place Add one extra meter par place |
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2 |
Size |
|
|
2.1 |
Thickness ( mm ) |
0.38±0.02 |
0.76±0.02 |
2.2 |
Uniformity |
Horizontal thickness warp should not exceed 15um at a distance of 25mm; horizontal Ehickness warp Should not exceed 20um at a distance of 50cm. |
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2.3 |
Length tolerance (m ) |
0-5 |
0-2 |
2.4 |
Width tolerance ( mm ) |
0-20 |
|
3 |
Moisture ( % ) |
0.4-0.6 |
|
4 |
Extending intansion ( MPa ) |
≥20.0 |
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5 |
Ruplura extending rate (%) |
≥200 |
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6 |
Fograge (%) |
<0.4 |
|
7 |
Shrinking rate (60/15min) ( % ) |
≤12 |
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