Fiberglass grilles are definitely produced according to national standards. It is normal for the actual thickness of fiberglass grilles to have an error of 1-2 millimeters from the standard thickness. This is because fiberglass grilles are produced by workers on molds, and the surface of newly produced fiberglass grilles will have burrs and grooves. For the sake of aesthetics and effectiveness, the grilles are usually polished. After polishing, some of the thickness of the grilles will be worn. Therefore, If it is a fiberglass grating with a thickness of 38mm, the actual measured thickness of 36-37mm is a normal phenomenon and does not affect the overall product quality of the grating.

Dimensional tolerance range of the entire fiberglass grating: length direction: ± 3mm; Width direction: ± 3mm; Thickness direction: ± 1.5mm. Grid warping: The length direction shall not exceed 2.5mm per meter; The width direction shall not exceed 4.5mm per meter.

Cutting and processing of fiberglass grating cover size tolerance range: length direction: ± 5mm; Width direction: ± 5mm; The diameter tolerance range for cutting circular fiberglass grating cover plate is ± 3mm.

The finished fiberglass grating comes in various specifications of standard plates, and different specifications of standard plates have different load-bearing capacities. In engineering design or construction selection, it is necessary to select the corresponding resin type, grid specifications, thickness, and surface type based on environmental, load, and usage requirements.