ACOUSTIC PVB FILM
Product Details
| Acoustic PVB film TDS | ||
| Technical Date Sheet | ||
| ITEM | TECHNICAL INDEX | |
| TEST TEMPERATURE | ℃ | 22 |
| THICKNESS | MM | 0.76±0.02 |
| THICKNESS DEVIATION | MM | ≤0.02 |
| LENGTH DEVIATION | MM | 0-50 |
| WIDTH DEVIATION | MM | 0-20 |
| SURFACE ROUGHNESS | μm | 15-50 |
| DIMENSIONAL STABILITY | % | ≤8%(>0.38mm) (STORED IN 65±1℃ THERMOSTAT ABOUT 15MIN±30SEC) |
| RESIDUAL VOLATILES | % | 0.35-0.55% |
| TENSILE STRENGTH | MPA | ≥20 TEST SPEED:100±10MM/MIN GUAGE LENGTH:25±0.25MM |
| TENSILITY OF PEAK | % | ≥200 TEST SPEED:100±10MM/MIN GUAGE LENGTH:25±0.25MM |
| PUMMEL | ≥8 (THE LAMINATED GLASS STORED IN AMBIENT TEMPERATURE-18±1℃,ABOUT 2 HOURS) | |
| TRANSMITTANCE | % | ≥85% (2MM GLASS+PVB FILM+2MM GLASS) |
| HAZE | % | ≤0.7% (2MM GLASS+PVB FILM+2MM GLASS) |
| YELLOW INDEX | ≤8 | |
| Volume Insulated | db | ≥30 |
| AIR BUBBLE&THREAD | NOT ALLOWED | |
| DEFECT | TWO DEFECTS IN EVERY 75M ARE ALLOWED IF DEFECT POINT中≥1.5MM | |
| FIVE DEFECTS IN EVERY 75M ARE ALLOWED IF DEFECT POINT 0.5MM<中 <1.5MM | ||
| POINT DEFECT中≤0 . 5MM is allowed, dense existence is not allowed | ||
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