Painting process of aluminum coil gutter consists of coil flattening, pre-treatment, coating and solidification. The flattening part is also known as the decoiling, during which a mill finish aluminium coil roll is sent into the production line and leveled by a temper mill. After becoming extremely flat and even, the roll enters the storage rack. There are two reels here …

The aluminum coil for gutter is used to make aluminum alloy gutters and aluminum alloy downspouts, using 3105H24 H26 and 3003H24 H26 aluminum alloys, both sides of the aluminum coil are coated with polyester (PET) paint, the front film thickness is 25-28 um, the back film thickness is 15-18 um, The color is durable. Alloy 3003 3105 Temper H24, H26 …