... 2)Mainly used for roof construction series 6063 Extruded Aluminum Tube For Roof Construction 1)Alloy No.:6061,6063... 2)Temper ... 4,Mill Finish 5,Wood Grain 6,Flourocarbon Coating 7,PVDF Coating 8,Polish 4)Coating Colour:silver, bronze, champagne, black ... shaped scraper profile, curtain wall profile, building roofing profile, finned tube profile, general profile and others 6)Certificates:ISO 9001:2008 ...