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| Categories | PVB Layer |
|---|---|
| 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 |
| Use for: | windshield |
| Thickness: | OEM |
PVB layer (Polyvinyl butyral) is a clear, colorless, amorphous thermoplastic obtained by condensation reaction of polyvinyl alcohol and butyraldehyde. The resin is known for its excellent flexibility, film-forming and good adhesion properties as well as outstanding UV resistance.
Use laminated glass can make car more safe and better sound insulation.
| Product name | PVB layer film |
| Raw material | The resin |
| Thickness | 0.3mm 0.38mm 0.76mm 1.14mm 1.52mm (±0.02mm) |
| Appearance | Achromatic or light yellow clear film, smooth surface without scratch or crease |
| Dotted Impurities and Air Bubbles | >0.05mm²(Allowed to scatter no more than 10 places per roll) >0.55mm²(Not to exceed 6-8 places per roll; Marking marks, add an extended 1 meter film per place |
| Uniformity | Lateral and longitudinal evenness degree shouldn’t exceed 15μm at a distance of 25mm Lateral deviation should be less than 35μm, while longitudinal deviation should be less than 25μm |
| Length Tolerance(m) | +(0-2) |
| Width Tolerance(mm) | +(10-20) |
| Water Content (%) | ≥0.05 |
| Tensile Strength(Mpa) | ≥20 |
| Haze (%) | <0.7(0.38*2) |
| Shrinkage(60℃/15min)(%) | ≤12 |
| Elongation at break(%) | ≥200 |
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