Fluorocarbon paint is more expensive than polyester paint, so pvdf coated aluminum sheet is relatively expensive and is often used for exterior wall decoration. The anti-corrosion radiation scratch effect of pvdf coated aluminum is better than that of polyester, the service life of pvdf coated aluminium sheet is 15-20 years.
The composition of polyester paint is different from that of fluorocarbon paint. Polyester paint is a thick paint made of polyester resin as the main film-forming material. The paint film of polyester paint is plump, and the layer is thick and the surface is hard. Fluorocarbon paint, which is a paint with a resin content of more than 70%, and the weather resistance of the paint is better, so like the pvdf aluminium products for roof decoration, you can choose the above two kinds of paint spraying technology, but for bright colors such as red, blue and green, we tend to recommend customers to choose fluorocarbon paint spraying processing. Although the product cost is high, the fluorocarbon spraying technology makes the color warranty period longer and the product service life longer. In about 20 years, we do not have to worry about color fading, discoloration, fading and other issues. Fluorocarbon paint is more durable, and polyester paint may discolor and fade in seven or eight years or ten years, so many regular manufacturers choose to use pvdf coated aluminium to applied on aluminum roofing system.
Therefore, whether it is better to choose pvdf coated aluminum sheet or polyester coated aluminum sheet, you should know at a glance. As a senior color coated aluminum sheet manufacturer, HC Aluminum recommends that you upgrade the roof on roofs and some landscapes, iti s better to use fluorocarbon paint to last longer.