The defects of the FRP grating can be repaired to a certain extent, thereby reducing the quality of the product. Therefore, you must be very careful during the maintenance process. Must maintain the original mesh corrosion resistance, mechanical properties and flame retardant properties to avoid damage caused by uneven skin tone. Excessive, inappropriate and excessive catalytic curing can shorten defects caused by careless operation.
Appearance quality includes uneven color, white color, impurities and bubbles (appearance, center and bottom), delamination, thickness error, poor curing, resin enrichment layer, cracking (defects caused by curing, resin enrichment and demoulding) , Top support, warpage, defect compensation and other defects, including the need to establish a complete and strict quality inspection specification system and specifications.
The appearance of the grille will also greatly affect the appearance quality of the product. It is also worth noting that the grille has a uniform crescent-shaped or non-slip sand appearance and lubricates the grille manufacturer. There are problems with Chinese industry. The quality of the samples is too concentrated, the quality of the entire product is ignored, and the products provided are completely different from the samples. Insufficient awareness of quality control in the production process leads to many defects caused by human operation, such as uneven color, impurities, bubbles, thickness errors, abundant resin layers, defects, and deficiencies.
The disadvantages of curing systems are whitening, blistering, delamination and lack of curing (such as cracking). Another disadvantage is deformation, which is mainly caused by unreasonable fiber layer structure and maintenance system, and many manufacturers do not handle it well. In addition, the color of the grille product is seriously aging, which is mainly due to the poor quality of the pigment paste and no need to add a certain amount of ultraviolet absorber.
