Advantage: ①translucency: excellent transmittance (88% of transmittance). No discoloration or atomization or poor translucency arosed even under strong sunshine. ②weatherability : the coextrusion on the surface can prevent fatigue and yellowing of resin, caused by solar UV it can also transform it into visible light, aswell as make the photosynthesis of plant more stable(very suitable for protecting cars ,precious works of art and exhibits from soloar UV). ③shock resistance:the shock resistance strength of this board is 250-300 times stronger compared to the normal glass,and 20-30 times stronger compared to Acrylic sheet,and 2 times stronger then toughened glass.nearly no risk of fracture,this is why it is called "no broken glass" and "ringing steel". ④fire resistance: the fire resistance level isB1of GB8624-97 of PRC, no fire-drop or gas arosed. ⑤temperature resistance:no deformation or quality degradation arosed when the temperature is range from -40℃ to +120℃ ⑥light:light weight,very safe . ⑦noise:excellent noise insulation. ●Material : ①aluminum alloy frame, electrostatic powder coating process for surface, corrosion-resistant,. ②anti_UV PC board(10 years will not fade in color） ③stainless steel parts ●) Specifications : Single carport： FR5427 FR5430 Double carport：FR5454 FR5460 ●Color : ①white ivory frame + blue high strength PC board ②Brown frame + brown PC high strength top PC board ●quality commitment: this products can safely be withstand 20 years,with a 1 year warranty