Thick Polycarbonate Sheet

Thick Polycarbonate Sheet usually refer to solid polycarbonate sheet with thickness from 50mm to 300mm with high transparency. it is commonly used for CNC machining prototypes. Custom Thick solid Polycarbonate Sheet with optic grade polycarbonate material available in KUSLA Plastic.

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Thick Polycarbonate Sheet Specifications

  • Thickness: from 50mm to 300mm
  • materials: Covestro
  • Custom optic grade materials: Covestro PC LED2245, Covestro PC 1500, Covestron PC 2407
  • Color: Clear
  • Size: Width 610mm , length: Custom
  • Cut to size Available

Thick Polycarbonate Sheet properties

Specific gravity (73°F) D7921.2
Light transmittance (transparency/clarity)%D100389
Heat deflection temperature @ 264 psi°FD648270
Tensile strengthpsiD6389,500
Flexural moduluspsiD790345,000
Izod impact (notched)ft-lbs/in of notchD25612.0 – 16.0
Maximum continuous service temperature in air°F 240
Water absorption (immersion 24 hours)%D5700.15
Coefficient of linear thermal expansionin/in/°Fx10-5D6963.8

Thick Polycarbonate Sheet for CNC machining prototpye

When making a prototype with CNC machining process, to have the best strength of the prototype and best apperance of the prototype, you need to machine the prototype in one piece, this means that the Polycarbonate sheet thickness need be over the height of product , but sometimes, product size is big such as automotive lighting lamp clear lens, so a super thick polycarbonate sheet will be needed in this case.

in some case , prototype material has to be same as tooling inejction material to obtain a real optic performance, so custom optic grade thick polycarbonate material is needed in this case.

Other Polycarbonate sheets

FAQs about Thick Polycarbonate Sheet

We use extrude process to make Thick Polycarbonate Sheet to maintain the best transparency of the thickness polycarbonate sheet.

Generally, we can make a maximum 400mm thickness polycarbonate sheet, but this is challenging and scrap rate is high.

To cut thick polycarbonate sheet , the best tool is table jaw and jig jaw. but when you make prototypes , you aslo can use CNC machine to cut thick polycarbonate sheet.

After extruded the thick polycarbonate, annealing process is needed to avoid cracking during CNC machining process

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