| Property comparison |
| Property |
EVA film |
PVB film |
| Density (g/cm3) |
0.97 |
1.07 |
| Bond strength（?K?M?M） |
≥3 |
- |
| Bonding
temperature |
100℃ |
140℃ |
| Haze
rate |
2% |
0.4% |
| UV
filtering |
98% |
99% |
| Water
absorption |
0.1% |
3.6% |
| Tensile
strength at break |
290 kg/cm2 |
339 kg/cm2 |
| Elongation
at break |
2340 kg/cm2 |
455 kg/cm2 |
|
| |
| Comparison of laminated glass production
machine |
| Item |
EVA film |
PVB film |
| Moisture
and temperature controlled room |
No |
Yes |
| Roller
conveying assembly table |
No |
Yes |
| Suction
lifting mechanism |
No |
Yes |
| Roller
press |
No |
Yes |
| Heating
oven |
Yes |
Yes |
| Autoclave |
No |
No |
| Occupied
space |
Small |
Large |
|
