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PFA Sheet

Release date:2018-07-05 Publisher: 原創(chuàng) Views:10130

 

                                                                        PFA SHEET



PFA sheet(Perfluoroalkoxy), is a melt-processable fluoropolymer that combines many of the best properties of PTFE and FEP. PFA is a chemically modified form of PTFE resin that combines many of the benefits of the PTFE. PFA plate offers both melt processing and the same upper continuous temperature as PTFE, i.e. 500°F (260°C).

PFA properties are similar to FEP in terms of its mechanical properties. These two are both superior To PTFE with regards to their flexibility, making them useful for tubing applications. However, their ability To endure repetitive folding (flex life) is actually lower than PTFEs own. PFA Plastic has a higher flex life Than FEP. PFA polymer is preferable to FEP where heat is concerned, but PTFE itself is slightly more Resistant to heat than both. PFA is more affected by water absorption and weathering than FEP, but is Superior in terms of salt spray resistance.

Main properties of PFA sheet


? Higher thermal stability than FEP

? Working temperature of up to 500o F (260oC)

? Lower permeability than FEP

? Combines attributes of PTFE and FEP

? Translucent

? Maintains mechanical strength at high temperatures

? Moisture absorption close to zero 


PFA sheet for Choice:

                 Item

    Width (mm)

    Length (mm)

    

   Thickness (mm)

Extruded PFA Sheet

(Square shape)

        1200

       Flexible

(Usually packed by rolls)

              1

            1.5

             2.3

               3

Molded PFA Sheet

(Square shape)

        120

              200

            3~50 

        200

              200

            5~30 

        250 

              250

            5~30 

       300

              300

            5~50 

       400

              400

            5~50 

       500

              500

           5~50

       620

              280

           5~35 


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