There is no way to directly say which is better or worse between galvanized cable tray and powder coated cable tray. For general indoor environment, galvanized cable tray is more suitable than powder coated cable tray, and the price is relatively cheap. It can also meet the corrosion protection of cable tray in weak corrosive environment. For outdoor environment, cable tray needs to be able to resist the corrosion of strong corrosion, and hot-dip galvanized cable tray has greater advantages than powder coated cable tray. One of the differences between powder coated cable tray and galvanized cable tray is that the surface of galvanized cable tray is generally silver white, some with snowflakes, some without snowflakes. The surface colors of powder coated cable tray are various, and can also be painted according to the colors specified by customers.
1. Color difference between galvanized cable tray and powder coated cable tray
The surface color of galvanized cable tray generally silver white, some with snowflakes and some without. The surface is smooth and textured, and the hand feels slippery. The surface color of the powder coated cable tray can be gray, black, blue, etc. generally, the color is solid. The surface looks grainy and feels frosted. The color difference between galvanized cable tray and powder coated cable tray is relatively large. Electrostatic powder coated of cable tray is generally done by cable tray manufacturers specializing in spraying.
2. Process difference between galvanized cable tray and powder coated cable tray
The process difference between the powder coated cable tray and the galvanized cable tray is that there is an additional spraying process. The indoor galvanized cable tray is generally made of galvanized plate, and the indoor powder coated cable tray is generally made of indoor powder spraying on the basis of the indoor galvanized cable tray. There is basically no difference between the process of outdoor powder coated cable tray and indoor powder coated cable tray, except that it is sprayed with outdoor powder. The outdoor galvanized cable tray is quite different from the outdoor powder coated cable tray. The surface of the outdoor galvanized cable tray adopts the hot-dip galvanizing process, and the thickness of the galvanized layer is relatively thick, generally greater than or equal to 65 microns.
