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BEIHAI YUEDA FRP PRODUCTS
Analysis of the Causes of Uneven Surfaces in Fiberglass Grating
Release time:
2019/12/04
Fiberglass grating is a type of sheet material made from fiberglass as a reinforcing material, with unsaturated polyester resin as the matrix, processed through special composite techniques to create a board with many voids. Fiberglass grating can be used as a structural material for flooring, trench covers, platforms, ship decks, stairs, walkways, and other applications in corrosive environments. When purchasing fiberglass grating, we can assess the overall quality of the grating board by observing factors such as color, fiber layer distribution, and surface flatness. A dull color may be due to the raw material configuration, while uneven fiber layer distribution may indicate issues with the operational technique.
Fiberglass grating is a type of sheet material made from fiberglass as a reinforcing material, with unsaturated polyester resin as the matrix, processed through special composite techniques to create a board with many gaps. Fiberglass grating can be used as a structural material for flooring, trench covers, platforms, ship decks, stairs, walkways, etc., in corrosive environments.
When purchasing fiberglass grating, we can assess the overall quality of the grating board by observing the color, fiber layer distribution, and surface flatness of the fiberglass grating. A dull color is due to the raw material configuration, uneven fiber layer distribution is a technical issue, but what causes the overall surface of the fiberglass grating to be uneven?
The reasons for the uneven surface of the grating board are not solely due to technical errors; there are mainly three points:
First, in terms of technical operation, as long as the fiberglass yarn can be evenly distributed, then the problem lies with the configuration of the raw material resin. For example, if the amount of diluent added is too little, it will lead to high viscosity of the resin, making it prone to solidification. Therefore, it is very important to strictly follow the standard proportions to reasonably mix various additives and auxiliary agents during raw material preparation.
The second point is related to technical operation. Some unscrupulous merchants speed up production and improve efficiency by reducing the number of layers of fiberglass yarn. If the amount of fiberglass yarn as the matrix is insufficient, it will lead to unstable overall performance of the fiberglass grating, resulting in uneven distribution of surface resin. Pulling yarn is a meticulous task that requires careful attention, and there is a specific order of operations.
The last point is the final step in the molding of fiberglass grating, which involves heating to solidify it. If the temperature does not reach the standard during heating, it will slow down the solidification speed of the fiberglass grating and also affect the overall stability. If the interior cannot fully solidify, the surface will naturally be uneven.
The three points above are the main reasons for the uneven surface of fiberglass grating. The commonality among these three reasons is that they all pertain to detail issues; only by properly executing each step can we ensure that the quality of the grating board meets the standards.
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