The production process of fiberglass reinforced plastic covers
2026-04-02
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During the production process of fiberglass grating, zinc ingots will be melted at high temperatures, and some auxiliary materials will be added. Then, the metal components will be immersed in a galvanizing tank to form a layer of zinc coating on the metal parts. The advantage of hot galvanizing is that its anti-corrosion ability becomes stronger, and the adhesion and hardness of the galvanizing layer are better. After the product is galvanized, its weight increases. The term “galvanizing amount” we often mention mainly refers to fiberglass grating. So, what causes the precipitation on the surface of fiberglass grating?

First of all, it is necessary to determine the specific application location of the fiberglass grid. For instance, using the fiberglass grid as a fence is quite different from using it as a working platform. As a fence, the fiberglass grid is always in a normal environment without any special corrosive conditions. It also does not cause foot traffic and remains in a quiet placement state for a long time. Therefore, its lifespan will be relatively longer. Generally, it can be used for over 10 years without fading, and it will not affect the appearance or performance.

II. The second factor affecting the lifespan of fiberglass grilles: The quality factor of the fiberglass itself: This refers to the quality issues of the fiberglass grilles themselves. The fiberglass grilles are made by interlacing glass fibers and pouring resin for overall molding. The produced fiberglass grilles with regular rectangular or square spaces have bidirectional symmetrical mechanical properties. High-quality fiberglass grilles use glass fibers of medium or no alkali content, and use high-quality resin, along with an appropriate ratio of calcium powder. Such fiberglass grilles have strong load-bearing capacity, no obvious cracks on the surface, and no air holes. This high-quality fiberglass grille has an absolutely long lifespan and low maintenance costs. Some inferior fiberglass grilles use poor-quality materials, have an inappropriate ratio of resin to calcium powder in the formula, and the resulting fiberglass grilles are relatively of poor quality.

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