PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
On the characteristics and use of PFA bellows
Classification:
Industry dynamics
Author:
PFA tube little sister
Source:
Dankai
Release time:
2022-10-07
Visits:
1. PFAName of bellows
PFA bellows, 260 degree high temperature tube, transparent teflon bellows, soluble bellows, teflon bellows
2. PFAColor of bellows
Commonly used color: transparent, black, color;
Not commonly used color: yellow, brown, green, blue.
Figure 1: PFA bellows Source: Dankai
3. PFACharacteristics of bellows
Common features:
Use temperature:-200 degrees to 200 degrees
Easy processing: can flanging, welding
Aging resistance: can be exposed to ozone and sunlight for a long time without aging
High transparency: the lowest refractive index in all plastics, can be very intuitive to see the flow of the medium in the tube;
Corrosion resistance: able to withstand in addition to molten alkali metals, fluorinated media and higherAll strong acids, strong oxidants, strong reducing agents and various organic solvents outside of 300 °
The role.
Infrequently used features:
Density:2.14-2.17g/cm³
volume resistance> 1 × 1018
surface resistance> 2 × 1013
arc resistance> 165 seconds no leakage
Low water absorption: water absorption<0.1%
Minimum coefficient of friction: minimum coefficient of friction
Surface non-stick: known solid material head can not adhere to the surface
Incombustible: the air will not burn, in line with the strict requirements of the fire place
Non-toxic: five toxic tasteless, with physiological inertia, no harm to people and the environment
Figure II:PFA bellows source: Dan Kai
4. PFASpecification of corrugated pipe
Common specifications: (unit:Mm) other specifications can be customized
metric: outside diameter 6mm 8mm 10mm 16mm 20mm 25mm 38mm 60mm, etc;
Imperial:1/8 inch 1/4 inch 3/8 inch 1/2 inch 3/4 inch 1 inch.
5.PFAThe use of corrugated pipe
1. It can be used as tubular reactor and exchanger in special occasions;
2, can be used as tank car, storage tank, container andReaction kettleFeeding and discharging pipes;
3, can be used to replace the low mechanical strength of graphite, ceramics, glass and other pipes;
4. It can be used for pipeline dislocation connection or to balance pipeline displacement, size change caused by climate or other reasons, or to eliminate the vibration of high frequency machinery.
This article is originally created by Teflon's little sister. Welcome to pay attention and take you to grow knowledge together!
Key words:
Pfa, teflon, teflon bellows, transparent teflon bellows, 260 degree high temperature tube, soluble bellows
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