When using equipment, many consumers buy back some inferior products when choosing. So how to simply distinguish product quality is a very important thing. It doesn't matter, today I will teach you how to distinguish extending solar panel cables from their appearance.
1. Observe the uniformity of each layer of the extending solar panel cables and whether there is eccentricity; 2. extending solar panel cablesmanufacturers do not judge the advantages and disadvantages of their products on the basis of width and thickness. Small and fine products are more difficult to manufacture. Without certain strength, it is impossible to manufacture small and fine products; 3. The width of the product selection should vary according to the diameter of the auxiliary pipe diameter. The pipe diameter is large, the electric heating band is small, the pipe diameter is small, and the electric heating band is narrow, so that the heat transfer efficiency is high; 4. The extending solar panel cables of the same size and length is heavy. The product is better, and the material is lighter than the product; 5. Contact the PTC core belt with an open flame. The material is better for non-combustible ones, and the material is inferior for flame-retardant or combustible ones. However, halogenated flame retardant should be prohibited, although halogenated materials Flame-retardant but dense smoke, toxic, more harmful than combustible materials; 6. Contact the PTC core belt with an open flame. The material without wax and oil smell is special PTC; the product with wax and oil smell is ordinary PTC.
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