... , black, etc.Surface treatmentMill finish, matted, sandblast, anodizing, electrophoretic coating, powder coating, thermal break, wooden grainHardness8-14HWMouldBased on your drawing or use ... .15 LD31Our usual surface treatment for aluminium profiles:mill finishpowder coating/ electrostatic spraying----with different colour according to RAL markanodising---nature ...