aluminium extrusion profile of curtain tracks alu.6000 series for windows and doors excellent surface treatment sizes as dwg aluminium extrusion profile of curtain tracks itemsdescriptionsMaterialAluminium Alloy 6000seriesTemperT4,T5,T6Surface treatmentanodized, powder coated, mill finish, electrophoresis, wood grain transfer etc.Wall thickness>0.35mmLength<=6mColorSilver white, red, black ...