PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
Is Teflon casing flame retardant
Classification:
Industry dynamics
Author:
PTFE tube little sister
Source:
PTFE tube little sister
Release time:
2019-05-06
Visits:
As we all know, Teflon tube is resistant to high and low temperatures,-180 ℃ ~ 260 ℃, and its high temperature resistance is 260 degrees, which is equivalent to the realm that dead pigs are not afraid of boiling water. Can it be flame retardant?
First of all, we should understand the meaning of flame retardant, flame retardant means that this item is not easy to burn, or will go out after leaving the fire. To give you an example, paper is on the point and can be an accelerant to help burn. Paper is not flame retardant.
In order to solve everyone's doubts, Xiao Bian just specially burned the Teflon tube with a lighter for one minute (the yellow flame temperature of the lighter is about 200 ℃). The Teflon tube did not have any spark, and the Teflon tube did not have any flame when leaving the fire source. The burned Teflon tube turned into black powder. Without the temperature of the flame, Teflon can withstand a temperature of 260°C without melting.
Strictly speaking, Teflon tubes are not flame retardant either. According to Baidu's explanation of flame retardant, "this article is not easy to burn or will extinguish itself after leaving the fire". Teflon tubes are flame retardant. But you have to use it as a flame-retardant material, let it become a shield, burn at high temperature, burn for too long, it will turn into powder, the shield loses its protective function, and the Teflon tube will not achieve the flame-retardant effect. Therefore, it depends on how you use it.
Teflon hose is also called PTFE tube, F4 tube, PTFE tube, Teflon tube, Teflon tube, Teflon tube, Teflon tube, Teflon tube, Teflon tube, Teflon tube, Teflon tube, Teflon tube, PTFE tube, plastic king tube. Kan
Commonly used colors are: Milky White, translucent, black
Other colors: yellow, brown, green, blue, red
Main use: Cuo:
1, drug-resistant, non-adhesive liquid transfer with machine joint parts cover protection
2. Protection of sensors
3, metal ball non-adhesive.
4. External coating of medicines under high temperature
5. Optical fiber external coating
Due to the excellent performance of Teflon tubes, they are now widely used in all walks of life. Kan
Main features:
1. High chemical stability: It can withstand all strong acids, including aqua regia, hydrofluoric acid, concentrated hydrochloric acid, nitric acid, fuming sulfuric acid, organic acids, strong bases, strong oxidants, reducing agents and various organic solvents. Ideal for high purity chemical feeding use. Kan
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 temperature. Kan
3. Excellent anti-adhesion, the inner wall of the tube is not easy to adhere to colloids and chemicals. Kan
4, excellent aging resistance, can be used outdoors for a long time. Kan
5. Excellent electrical insulation properties: PTFE is a highly non-polar material with good dielectric properties, great resistance, and a dielectric constant of about 2.0, which is the smallest among all electrical insulation materials. Kan
6, part of the tube transparency is high, easy to observe the internal fluid condition.
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