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Specifications
Clear PVB Film 0.38mmm ,0.76mm
Features:
1) Product Name: Clear PVB Film
2) Thickness (mm): 0.38 - 1.14
3) Width (mm): 300 - 2500
4)Length (m): 150 - 300
5)Place of Origin: China
PVB is the abbreviation of polyvinyl butyral. PVB film is made from PVB resin and plasticizer. It is a non-toxic and smell-free soft sheet material with thickness between 0.38mm and 1.14 mm. It is the best material for the interlayer of safety glass.
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 |
|
|
|
≤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 |
|
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. |
|
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 |
|
5 |
Ruplura extending rate (%) |
≥200 |
|
6 |
Fograge (%) |
<0.4 |
|
7 |
Shrinking rate (60/15min) ( % ) |
≤12 |
|
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