... , UA-Protection, Sound-Insulation, Weather Ability, Portability.1, Light Transmisson, Fine light transmission(to 88%). No yellow,atomization and poor ... resin fatigue or yellowing caused by the ultraviolet,and transfer it into the visible light, it has the fine stabilizingeffect for ... deformation within the temperature of -40-+120.7,Portability, light in weight, it is easy to handle and make ...