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| Categories | Polyvinyl Butyral Interlayer |
|---|---|
| Brand Name: | ZHECHUN |
| Model Number: | CZ01 |
| Place of Origin: | China |
| MOQ: | 1 Roll |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 15,000,000 square meter per year |
| Delivery Time: | 10 days after deposit |
| Packaging Details: | aluminum foil and wooden box |
| Material: | Polyvinyl Butyral |
| Haze: | 0.6% |
| Light transmittance: | 87% |
| Shringking: | 8% |
| Roughness: | 28-50 um |
| Elongation at peak: | 200% |
| Tensile strength: | 20MPa |
| color: | clear or color |
| thickness: | 0.3-1.52mm OEM |
butyral 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.
technical parameters
| No. | Classfication ltems | 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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