PC plastic pepper balls are widely used in the market because of their good toughness and high transparency. Therefore, there are corresponding specifications and quality standards for PC plastic pepper balls in the world: the diameter accuracy standard is generally the national standard, and the general GB1998-3258 accuracy is the technical unified standard, generally from G10 to G100,G100 plastic pepper balls refer to plastic balls that have not been ground by a ball grinder, and the tolerance is above plus or minus 0.10mm.G40 PC plastic pepper balls are required to have a diameter accuracy within ±0.08mm and a roundness tolerance within 0.07mm..G30 PC plastic pepper balls are required to have a diameter accuracy within ±0.06mm and a roundness tolerance within 0.05 mm..G20 PC plastic pepper balls are required to have a diameter accuracy within ±0.03mm and a roundness tolerance within 0.02mm..