What material is Teflon?
Classification:
Industry dynamics
Author:
FEP tube little sister
Source:
FEP tube little sister
Release time:
2019-03-13
Visits:
When we studied chemistry, we all learned polytetrafluoroethylene, molecular formula: C2F4, tetrafluoroethylene is mainly made of chloroform,
It can also be obtained from the catalytic dechlorination of tetrafluorodichloroethane in the presence of chlorine trifluoride. It is a colorless and odorless gas at room temperature,
Boiling point -76.3 ℃, pressurized liquefaction, critical temperature 33.3 ℃, critical pressure 3.92MPa. Unlike many other fluorinated hydrocarbons,
Tetrachloroethylene is toxic and is mainly used in the production of polytetrafluoroethylene with wide temperature range and high chemical stability;
It can also be copolymerized with ethylene or hexafluoropropylene to prepare fluorine-containing insulating materials, or copolymerized with vinylidene fluoride to produce fluorine-containing fibers.
Teflon is commonly known as Teflon, so Teflon is made of PTFE and other materials.
Teflon commonly known as "plastic king", also known as "Teflon" (teflon), "Teflon", "Teflon", "Teflon" and so on.
Teflon tube product features
1. High chemical stability: can withstand all strong acids, including aqua regia, hydrofluoric acid, concentrated hydrochloric acid, nitric acid, fuming sulfuric acid, organic acids, etc,
The role of strong bases, strong oxidants, reducing agents and various organic solvents. Ideal for high purity chemical feeding use.
2. Low friction coefficient: The friction coefficient is generally only 0.04, which is a very excellent self-lubricating material,
And the friction coefficient does not change with the change of temperature.
3. Excellent anti-adhesion, the inner wall of the tube is not easy to adhere to colloids and chemicals.
4, excellent aging resistance, can be used outdoors for a long time.
5. Excellent electrical insulation properties: PTFE is a highly non-polar material with good dielectric properties,
The resistance is extremely high, with a dielectric constant of about 2.0, which is the smallest of all electrical insulating materials.
Part of the tube has high transparency and can easily observe the internal fluid condition.
Teflon tube performance parameters
1. Withstand voltage: 150V-600V
2. Working temperature:-80 ℃ ~ 260 ℃
3. Melting point: 327 ℃
4. Flame retardancy: VW-1
5. Breakdown strength: 26KV/mm
6. Color: transparent, translucent, milky white.
shenzhen dan kai technology, specializing in the production of FEP, PFA, ptfe and other fluorine plastic tube rod sheet membrane products and other insulating materials.
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