CN Perforated Plastics Co.,Ltd.

Plastic perforated sheet maily has three kinds of perforation design,namely round hole plastic perforated sheet,square hole perforated sheet and oblong hole plastic perforated sheets. Different fields needs different design. For filtering prupose, round hole perforation is necessary,especially for micron perforation for fine filtering rate.Round hole plastic perforated sheet is more popular than square perforated plastic sheeting. There are usually three kinds of hole perforation, they are 45 degree staggered pitch perforation, 60 degree staggered pitch perforation and straight holes perforation. As a general rule, the hole diameter is also affected by the material thickness. Round hole perforated plastic sheet can be used for filtering disc, dipping basket and other finished products. Square hole plastic perforated sheet mainly has two popular designs, the hole diameter usually affected by the thickness of the sheet, that is to say if the hole diameter is much small than the thickness of the plastic sheet, the perforated sheet might be curved because of the pressure of the punching die. Therefore, as a rule, the hole diameter usually equals to or more than the thickness of the plastic sheet. The perforated plastic sheet with square holes are usually used for barriers, protective panels, decorative panels and covers of different machines