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BLU Film Series
Longhua L-x/LonghuaL-xx product line is light-guided PC base film offering high polish and different textures. It is provided with outstanding optical transmittance as well as featured with great heat-resistance, foldability and flexibility, excellent dimension stability, low stress and minimized color differentiation. It supplements disadvantage of traditional fragile light-guided PMMA plates, provided with a variety of thickness choices. Popularly used for monitors, NB, GPS, MP, LED keypads, graphics, labels andluminaire, etc. Great printability and heat formability make it a good choice for modules or thinner LGP with enhanced luminance.
UL File Number: E254551
| Grades | Color | Textures | Thicknesses(mm) | Widths (mm) |
| LonghuaL-1104 | ice | Polished/polished | 0.1 | 930& 1000 |
| LonghuaL-1104(x) | （0.004″） | (3′ & 3.3′ ) | ||
| LonghuaL-1105 | ice | Polished/polished | 0.125 | 930& 1000 |
| LonghuaL-1105(x) | （0.005″） | (3′ & 3.3′ ) | ||
| LonghuaL-1108 | ice | Polished/polished | 0.2 | 930& 1000 |
| LonghuaL-1108(x) | （0.008″） | (3′ & 3.3′ ) | ||
| LonghuaL-1110 | ice | Polished/polished | 0.25 | 930& 1000 |
| LonghuaL-1110(x) | （0.010″） | (3′ & 3.3′ ) | ||
| LonghuaL-1112 | ice | Polished/polished | 0.3 | 930& 1000 |
| LonghuaL-1112(x) | （0.012″） | (3′ & 3.3′ ) | ||
| LonghuaL-1116 | ice | Polished/polished | 0.4 | 930& 1000 |
| LonghuaL-1116(x) | （0.016″） | (3′ & 3.3′ ) | ||
| LonghuaL-1120 | ice | Polished/polished | 0.5 | 930& 1000 |
| LonghuaL-1120(x) | （0.020″） | (3′ & 3.3′ ) | ||
| LonghuaL-1124 | ice | Polished/polished | 0.6 | 930& 1000 |
| LonghuaL-1124(x) | （0.024″） | (3′ & 3.3′ ) | ||
| LonghuaL-1128 | ice | Polished/polished | 0.7 | 930& 1000 |
| LonghuaL-1128(x) | （0.028″） | (3′ & 3.3′ ) |
Typical Property Values
| Properties | Test Methods | Units | Values |
| PHYSICAL | |||
| Specific Gravity | ASTM D792 | g/cm3 | 1.2 |
| Light Transmission | ASTM D1003 | % | >89 |
| Water Absorption Equilibrium，24 HRS | ASTM D570 | % | 0.35 |
| MECHANICAL | |||
| Tensile Strength | ASTM D882 | psi | 7,300 |
| MPa | 50 | ||
| Elongation at break | ASTM D882 | % | >70 |
| Impact strength @ 10mils | JIS-K6745 | In-lbs | 120 |
| Tear Strength Propagation | ASTM D1922 | g/mil | >30 |
| THERMAL | |||
| Vicat Softening Temperature | ASTM D1525 | ℃ | 135 |
| ELECTRICAL | |||
| Dielectric Strength (@ 10mils) | ASTM D149 | V/mil | 1,700 |
| Volume Resistivity@25℃,50%RH | ASTM D257 | Ohm-cm | 1016 |
| Surface Resistivity@25℃,50%RH | ASTM D257 | Ω/□ | 1015 |
| Environment-Protection Index | LonghuaL-x/L-xx |
| Hg | N.D（＜2ppm） |
| Cr(Ⅵ) | N.D（＜2ppm） |
| Cd | N.D（＜2ppm） |
| Pb | N.D（＜2ppm） |
| PBB | N.D（＜5ppm） |
| PBDE | N.D（＜5ppm） |