| PVB Film Test Report |
| Sample:0.76mm Clear PVB Film |
| ITEM | STANDARD |
| Thickness(mm) | ±0.02mm |
| Light Transmittance(%) | ≥81% |
| Haze(%) | ≤0.6 |
| Moisture(%) | 0.3%-0.55% |
Thermal Shrinkage
(80℃/15min) | ≤15 |
| Surface Roughness(RZ) | 15-55(RZ) |
| Tensile Strength(Mpa) | ≥20Mpa(200kg/300mm) |
| Elongation(%) | ≥200% |
| High Temperature Impact | Sample after 4 hours in 40℃, 225g steel ball fall from 10m height, not go through the sample. |
| Low Temperature Impact | Samle after 4 hours in -20℃, 225g steel ball fall from 8m height,not go through the sample,test not alow pause. |
| UV Test | No obvious change after 100 hours UV Light in 45℃±5℃ test chamber, transmittance decrease≤10% |
| Continous Knock | 3-7 level |
| Penetration resistance | 2260g±10g steel ball fall from 5m,could not broke diameter 75mm hole. |
| Heat Resistance | alow glass gap in 100℃ water after 2 hours.but that will affect usage the bulbs and orhter shortage not allowed. |
| Falling Ball Impact | 1040g±10g steel ball fall from 1200mm height, laminated glass borke not allowed. If the glass broke, the mid PVB interlayer not allowed borke and exposed to the air. |
| Yellow Index | ≤6 |
| Melt Index | 1.1g-1.5g/10min |
