FEP PFA TELLERETTE RING
FEP PFA TELLERETTE RING, Thermally, FEP stands out from PTFE and PFA by having a melting point of 260 °C (500 °F), around forty degrees lower than PFA and lower again than PTFE.
PFA DATA SHEET
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Electrically, PTFE, FEP and PFA have identical dielectric constants, but FEP's dielectric strength is only surpassed by PFA. However, while PFA has a similar dissipation factor to PTFE, FEP's dissipation is around six times that of PFA and EFTE
polyvinylidene fluoride (PVDF), (perfluoroalkoxy polymer) PFA, Fluorinated ethylene propylene (FEP), ethylene-tetra-fluoro-ethylene (ETFE), Ethylene ChloroTriFluoroEthylene (ECTFE), Polytetrafluoroethylene (PTFE).
FEP PFA TELLERETTE RING Parameter and Technical Data:
|
Outer Diameter (mm)
|
Height
|
surface area (m2/m3)
|
Void volume 3/m3
|
Heaping number (n/m3)
|
Heaping weight (kg/m3)
|
Dry packing factor ( m-1 )
|
|
25
|
9
|
269
|
82
|
175000
|
128
|
488
|
|
47 (SO)
|
19
|
185
|
88
|
32500
|
111
|
271
|
|
51 (S)
|
19
|
180
|
89
|
25000
|
103
|
255
|
|
59
|
19
|
150
|
92
|
17500
|
102
|
213
|
|
73 (M)
|
28
|
127
|
89
|
8000
|
102
|
180
|
|
95 (L)
|
37
|
94
|
90
|
3900
|
88
|
129
|
|
145 (LL)
|
48
|
65
|
95
|
1100
|
47
|
76
|
|
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