... ,T5 excellent surface treatment ship in time aluminium profile of roller shutter ItemsDescriptionsModel No.XHI-MaterialAluminium Alloy 6000 seriesTemperT4,T5,T6Surface ... .Wall thickness>0.4mmLength<=6mColorBronze, golden, silver, black, white, red, blue, etc.PackingUsually in PE film, EPE foam, kraft paper etc ... .18-0.285.10-6.100.20 aluminium profile of roller shutter