Customization: | Available |
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Material: | PVB Film |
Thickness: | 0.38mm |
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Product Descripition |
Apperarance | Surface | Smooth surface without Nick,Crease,Bond; |
Crystallite and watermarks | Crystallite Diameter exceed 2.0mm and Visible watermarks are not allowed. | |
Visible defects (impurities, bubbles, oil, drop etc.) | Maximum 10 defects with each one diameter exceed 0.5mm were allowed per 400m | |
Marks defects diameter exceed 0.5mm and mark the intensive defects area( within the 300mm diameter circle, 10 defects exist with each one diameter less than 0.5mm) as one defect. The defects's marks and places also should be listed in the parcking list. | ||
Thickness & Size Tolerance | Tolerance(mm) | +/- 0.02mm |
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 & Width | >= Normal Length / Width | |
Roughness Rz μm | 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 | |
Tensile Strength (MPa ) | 20.0 Min | |
Tensile Elongation (% ) | 200 Min | |
Yellowness Index (%) | 10 Max |