Solar bracket system for flat rooftop is particularly applicable for Concrete flat rooftop. It is very easy to install. The structural elements are hot dipped galvanized steel, which have great anti-corrosion.
3mm pvc foam board is a kind of foam that is compressed at a high temperature. The main component is PVC, which is made up of hard pressed chemical foam, so it is very light in weight and very solid in structure.
EPOXY FATTY ACID METHYL ESTER Standard: accordant to Q/JAAO2012-018 Usage and Dosage: Jointly used with polyester plasticizers, it can reduce their mobility, while with metal heat stabilizers, it would greatly enhance their stability, and the dosage of th