Research Article
A Novel Continuous Extrusion Process to Fabricate Wedge-Shaped Light Guide Plates
Table 2
Characteristics of PMMA material.
| Type | SUMIPEX EX |
| Refractive index | 1.49 | Total light transmittance (%) | >92 | Haze (%) | <0.5 | Vicat softening temperature (°C) | 104 | Deflection temperature under load (°C) | 99 | Melt flow rate (g/10 min) | 1.5 | Tensile strength (MPa) | 74 | Specific gravity (g/m3) | 1.19 | Mold shrinkage (%) | 0.2–0.6 | Water absorption (%) | 0.3 |
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