The open area of perforated sheet-Plastc Sheet Knowledge-CN Perforated Plastics Co.,Ltd.

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Perforated Plastic Sterilization Sheet for Autoclaves
White PP Perforated Plastic Sheet to your size
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Cut to size perforated plastic sheet
Perforated Plastic Ceiling Panels
White perforated plastic sheet in cut size
1-10mm perforated plastic sheet
Customed Perforated Plastic Sheet
Perforated Plastic Sheet
Perforated PVC Sheet
Perforated Grey PVC Sheet
2mm thick 3.5X20mm slotted hole perforated plastic PVC sheet
Perforated Plastic Gutter Guard
Slotted Perforated PVC Sheet
Perforated Gray PVC sheet
Perforated PVC sheet for ceiling
Gray Perforated PVC Sheet
Transparent Perforated PVC Sheet
Clear Perforated PVC Sheets
Blue Perforated PVC Sheet
Perforated PE Sheet
Perforated PE sheet
Perforated HDPE Sheet
Perforated plastic sheets for layer pads for sterilization
Perforated plastic sterilization layer pads
Perforated layer pads
Perforated Plastic PP PE and PVC Sheet
1 to 15mm white perforated HDPE sheet
Perforated Plastic Shelf
Perforated HDPE
Perforated Metal Sheet
Superior Perforated Sheet
Perforated Metal Sheet for Chairs and Tables
Finshed Products
Perforated rain gutter guards in plastic and aluminum sheet
Plastic and metal leaf guard
Gutter Guards in perforated plastic and aluminum sheet
Eaves Ventilation Grid
Gutter Guards Made in Perforated Sheet and Wire Mesh
Rain Gutter Screens
Attic Vents
Soffit Undereave Vents
Perforated Aluminum Soffit Vent for Attic
Perforated Eaves Grid for Roof Vetilation
Other Products
Plastic and Aluminum Gutter Guards
Rain Gutter Guards
Eaves ventilation Strip Grid
Perforated Continuous Soffit Vent
Perforated Plastic Rolls in 0.5mm to 1.5mm
Perforated Plastic Water Filters
Porous Plastic Water Filters
Porous Plastic Sheet and Disc
Sintered Porous Plastic Sheet
Sintering Porous Plastic Sheet
The open area of perforated sheet

In perforation industry, one of the most important data is the opening rate or open area of perforated sheets including perforated plastic sheet and perforated metal sheet.The perforated sheet can be punched into different hole patterns such as round hole,square holes,slotted holes etc. No matter what kind of it is,we can always calculate the open rate.
The open area is a ratio that reflects how much of the sheet is occupied by holes, normally expressed by percent. For example, if the open area of the perforated sheet is 30%, it means that 30% of the sheet is holes and 70% of the sheet is material.
The Perforated sheet is usually used for air and liquid filteration especially that that the perforated plastic sheet can be used in acid liquid in order to resist the corrision. Therefore,the open rate is very important.Another important function of open area is that it can help us to design the pattern of the sheet,some users may not know the hole size and the hole spacing
of the perforated sheet,but they might know the opening rate, then we can suggest the two datas according to the thickness of the plastic sheet or the metal sheet.

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