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PFA PALL RING, FEP PALL RING, PVDF pall ring, ETFE pall ring, PTFE Pall Ring

PTFE Pall RingFEP pall ring
PP,PVC,CPVC,FEP,PVDF,ETFE,PTFE,PEEK pall ring
PVDF is a specialty plastic material in the fluoropolymer family; it is used generally in applications requiring the highest purity, strength, and resistance to solvents, acids, bases and heat and low smoke generation during a fire event. Compared to other fluoropolymers, it has an easier melt process because of its relatively low melting point of around 177 °C.  PVDF pall ring has better performance than PP pall ring, or PVC pall ring, or CPVC pall ring.

Ethylene tetrafluoroethylene, ETFE, a fluorine based plastic, was designed to have high corrosion resistance and strength over a wide temperature range. ETFE is a polymer, and its systematic name is poly(ethylene-co-tetrafluoroethylene). ETFE has a very high melting temperature, excellent chemical, electrical and high energy radiation resistance properties.

⊕Specification
ptfe pall ring
Please see the specification for PTFE Pall ring in the following:
Item Size Bulk density (kg / m3) Filling number Specific surface area(M2/M3) Voidage rate
1 f20*2*20 550 125000 267 0.928
2 f25*2*25 450 60000 219 0.934
3 f29*2*29 400 35000 193 0.936
4 f38*2.5*38 370 15800 148 0.94
5 f40*2*40 350 15100 138 0.942
6 f42*3*42 550 14500 132 0.943
7 f50*2*50 250 6800 108 0.945
8 f50*3*50 350 6800 108 0.945
9 f50*4*50 450 6800 108 0.945
10 f50*5*50 580 6800 108 0.945
11 f65*3*65 300 4600 84 0.948
12 f65*5*65 500 4600 84 0.948
13 f76*4*76 460 3000 72 0.95

PTFE is a fluorocarbon solid, as it is a high-molecular-weight compound consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons demonstrate mitigated London dispersion forces due to the high electronegativity of fluorine. PTFE has one of the lowest coefficients of friction against any solid.


 


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