Complaint
| Product Parameters |
| Thickness | 0.76mm | |
| Appearance | Surface | Smooth surface without Nick,Crease,Bond; The color band should be evenly distributed and the width of transitional region is equalized |
| Band Color | Clear, Blue,Green ,Gray & others | |
| Crystallite and watermarks | Crystallite Diameter exceed 2.0mm is not allowed. No visible watermarks. | |
| Visible defects (impurities, bubbles, oil, drop etc.) | Defects Diameter exceed 0.5mm and allowed maximum 6 defects per 200m | |
| Defects Diameter exceed 0.5mm to tag on PVB film; Diameter less than 0.5mm in the Intensive defects area* must tag on one defect. The defects marks and places should be showed in the packing list. | ||
| Thickness tolerance(mm) | Plus or Minus 0.04mm | |
| Thickness and size | Uniformity ratio | At any two points from 25mm distance either horizontally or vertically of the thickness tolerance is less than 15μm; (or 50mm - less than 25μm; or 100mm - less than 50μm) |
| Length (m) | Normal length | |
| Width (mm) | Normal width | |
| Roughness Rz | 15 -70 | |
| Moisture content (%) | 0.35 - 0.55 | |
| Heat shrinkage rate ( 60ºC/15min) (%) | 8.0 Max | |
| Pummel value | 7 Max | |
| Light transmittance (%) | 85 Min | |
| Haze (%) | 0.2 - 0.4 | |
| UV Screening, up to 380nm (%) | 99 | |
| Tensile strength (MPa ) | 20.0 Min | |
| Tensile elongation (% ) | 200 Min | |
| Yellowness index (%) | 10 Max | |
| *Intensive defects area: Within the 300mm diameter circle, the defect numbers is over 10 and its interval less than 5 mm. | ||
