PMMA is a high-power LED lampshade, temperature and optical
With high transparency and brightness, good heat resistance, and has the tenacity, qualitative hard, rigid, heat distortion temperature 80 ℃, the bending strength of 110 mpa. Density of 1.14 1.20 g/cc, deformation temperature 76-116 ℃, molding shrinkage ratio 0.2, 0.8%. Linear expansion coefficient of 0.00005-0.00009 / ℃, thermal deformation temperature of 68-69 ℃ (74-107 ℃) [4]
Optical, insulation, processing and weathering. Dissolved in the organic solvents of carbon tetrachloride, benzene, toluene, trichloromethane and acetone.
PMMA is a high-power LED lampshade, temperature and optical
