... . Light weight: the weight of aluminum is only iron, steel, copper or bronze one-third, but its hardness is several ... with paint (including acrylic, alkyd, multi-resin, etc.), powder coating, anodizing, or electroplating. Powder coating the surface of most glossy UV defensible ... maintenance and keep their beautiful luster a long time. Durable powder coating, there are many colors to choose from. Pada ...